Oligoclase
A variety of Albite
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About Oligoclase
Formula:
(Na,Ca)[Al(Si,Al)Si2O8]
Colour:
Colourless, white, very pale yellow
Lustre:
Vitreous, Sub-Vitreous
Hardness:
6 - 6½
Specific Gravity:
2.63 - 2.66
Name:
Named in 1826 by August Breithaupt from the Greek όλίγος ("oligos", meaning "little") and κλάσις ("klasis", meaning "fracture") alluding to its cleavage.
First Recorded Locality:
A plagioclase feldspar with an albite : anorthite molar ratio ranging from 90 : 10 to 70 : 30.
Originally described from Danvikstull, Stockholm, Södermanland, Sweden.
Visit gemdat.org for gemological information about Oligoclase.
Originally described from Danvikstull, Stockholm, Södermanland, Sweden.
Visit gemdat.org for gemological information about Oligoclase.Unique Identifiers
Mindat ID:
2976 (as Oligoclase)
96 (as Albite)
96 (as Albite)
Long-form identifier:
mindat:1:1:2976:2 (as Oligoclase)
mindat:1:1:96:9 (as Albite)
mindat:1:1:96:9 (as Albite)
Physical Properties of Oligoclase
Vitreous, Sub-Vitreous
Transparency:
Transparent, Translucent
Colour:
Colourless, white, very pale yellow
Comment:
may be green due to inclusions
Streak:
White
Hardness:
6 - 6½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{001} perfect, {010} good, {110} poor
{001} perfect, {010} good, {110} poor
Fracture:
Irregular/Uneven, Sub-Conchoidal, Step-Like
Comment:
The angles between the good and perfect cleavages are usually 93-94 degrees
Density:
2.63 - 2.66 g/cm3 (Measured) 2.65 g/cm3 (Calculated)
Chemistry of Oligoclase
Mindat Formula:
(Na,Ca)[Al(Si,Al)Si2O8]
Element Weights:
Chemical Analysis
Oxide wt%:
| 1 | |
|---|---|
| SiO2 | 63.27 % |
| Al2O3 | 23.27 % |
| MgO | 0.13 % |
| CaO | 3.93 % |
| MnO | 0.01 % |
| FeO | 0.05 % |
| Na2O | 9.23 % |
| K2O | 0.19 % |
| Total: | 100.08 % |
Sample references:
First Recorded Occurrence of Oligoclase
Synonyms of Oligoclase
Other Language Names for Oligoclase
Varieties of Oligoclase
| Lazur-Feldspath | A blue feldspar found with Lapis Lazuli near Lake Baikal, Russia |
| Oligoclase-Albite | A variety of Oligoclase with Anorthite:Albite between 80:20 and 90:10. Now regarded as a superflous subdivision of Oligoclase. [Clark, 1993 - "Hey's Mineral Index"] Originally described from Dypingdal Serpentine-magnesite deposit, Snarum, Modum, Buskerud... |
Common Associates
Associations Based on Photo Data:
| 38 photos of Oligoclase associated with Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| 25 photos of Oligoclase associated with Quartz | SiO2 |
| 22 photos of Oligoclase associated with Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| 22 photos of Oligoclase associated with Titanite | CaTiO(SiO4) |
| 16 photos of Oligoclase associated with Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| 12 photos of Oligoclase associated with Calcite | CaCO3 |
| 12 photos of Oligoclase associated with Chlorite Group | |
| 10 photos of Oligoclase associated with Prehnite | Ca2Al2Si3O10(OH)2 |
| 9 photos of Oligoclase associated with Orthoclase | K(AlSi3O8) |
| 9 photos of Oligoclase associated with Fluorapatite | Ca5(PO4)3F |
Fluorescence of Oligoclase
Not usually fluorescent in SW UV; may be faint red to faint white.
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Oligoclase in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Oligoclase
mindat.org URL:
https://www.mindat.org/min-2976.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
Mineral Dealers:
References for Oligoclase
Reference List:
Jin, Shiyun; Xu, Huifang (2017) Investigations of the phase relations among e1, e2 and C-1 structures of Na-rich plagioclase feldspars: a single-crystal X-ray diffraction study. Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 73 (5). 992-1006 doi:10.1107/s2052520617010976
Localities for Oligoclase
Showing 1,602 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Afghanistan | |
| Lai et al. (2024) |
| Orris et al. (2002) |
| Waizy et al. (2021) |
| Waizy et al. (2026) | |
| Waizy et al. (2026) | |
| Poullen et al. (1978) |
| Poullen et al. (1978) |
Africa | |
| Odman +2 other references | |
Albania | |
| Váczi-Lovász et al. (2024) |
Algeria | |
| www.lpi.usra.edu (2020) |
| McCoy et al. (1992) |
| Oulebsir et al. (2021) |
| Boukaoud et al. (2021) |
| Heflik (1989) |
| apports des donnees radiometriques (K/Ar) +13 other references |
| M. Guiraud |
| Azzouni‐Sekkal et al. (1987) |
Angola | |
| Andrade (note preliminaire) +2 other references |
| Lapido-Loureiro +1 other reference | |
| Neiva (1959) +1 other reference |
| Goncalves (1965) |
| Antonio Olimpio Gonçalves et al. (2009) +1 other reference |
Antarctica | |
| Journal of Petrology et al. (7) |
| Babenko et al. (2026) |
| Hamilton (1972) +1 other reference |
| Downes et al. (2009) |
| Schwarz et al. (1992) | |
| Rochette et al. (2008) | |
| Harrington et al. (1967) +1 other reference | |
| Armienti et al. (1991) | |
| van Niekerk et al. (2014) |
| SMITH (1954) +2 other references |
| Thomson (1974) |
| Dewar (1970) |
| Hawkes |
| Trouw et al. (2000) |
| LeMasurier et al. (1982) +3 other references |
Argentina | |
| Raúl Jorge Tauber Larry´s collection |
| Raul J. Tauber Larry |
| Sillitoe et al. (2023) |
| www.campometeorites.com/history.htm |
| Zalba et al. (2011) |
| ZAPPETTINI |
| Pagano et al. (2016) +2 other references |
| Grecco et al. (2012) |
| Sillitoe et al. (2019) |
| Galliski et al. (2012) |
| |
| Raúl J. Tauber Larry´s collection |
| Raúl J. Tauber Larry´s collection | |
Armenia | |
| Bowell et al. (2021) |
| Kogarko et al. (1995) |
| Kogarko et al. (1995) | |
| Keheyan et al. (2023) |
| |
Australia | |
| Wellman et al. (1974) +1 other reference |
| Ma et al. (2023) |
| WILKINSON (1965) +1 other reference |
| Birch (1999) |
| Pearson et al. (1991) |
| Langworthy et al. (1978) +2 other references |
| Jin et al. (2022) |
| Robertson (1959) |
| Sielecki (1988) |
| Baker (1998) |
| part of list University of Queensland |
| Rowlands et al. (1972) |
| Thompson (1970) |
| Mount Woods Inlier et al. (Honors thesis) +1 other reference |
| Nehru et al. (1983) +1 other reference |
| Habibi et al. (2026) |
| JACK |
| Taheri +4 other references |
| Bottrill (2018) |
| |
| Eagle et al. (2017) |
| |
| Neumayr et al. (2008) |
| [var: Oligoclase-Albite] Simon (2019) |
| Marshall et al. (2016) |
| Hassan (2017) |
| Kelly et al. (2024) |
| Orth (2002) |
| Eilu (2003) |
| Simpson (1948) |
| Simpson (1948) | |
| Phoenix Gold Limited (2010) |
| Jacobson et al. (2007) |
| Simpson et al. (1948) |
| Simpson (1948) |
| Simpson (1948) |
| Simpson (1948) |
Austria | |
| Meixner (1981) |
| Paar et al. (1982) |
| Niedermayr et al. (1995) |
| Niedermayr et al. (1995) |
| Niedermayr et al. (1995) |
| Müller (2016) |
| Firtsch (1907) |
| Kohn et al. (2024) |
| Götzinger (1981) |
| Fechner et al. (1985) |
| Sedlacek (1949) |
| Holzer et al. (1966) |
| Carswell (1991) |
| Kurz (2009) |
| Frasl et al. (1965) |
| Becke (1917) |
| Strasser (1989) |
| Exel (1993) |
| Altenberger et al. (2026) |
| Thalhammer et al. (1989) | |
| Strasser (1989) |
| Weissensteiner (1970) |
| Alker (1956) |
| Exel (1993) |
| Meixner (1977) |
| Altenberger et al. (2026) |
| Altenberger et al. (2026) |
| Altenberger et al. (2026) |
Belgium | |
| A. Darimont et al. |
| Vandendriessche (1941) +1 other reference |
| Cosyns (1908) +2 other references |
| Histoire | |
Bolivia | |
| www.koeln.netsurf.de/~w.steffens |
| Jiménez-Franco et al. (2018) |
Botswana | |
| Maier et al. (2008) |
Brazil | |
| Scarpelli et al. (2018) |
| [[1]]Santos et al. (2020) |
| [var: Oligoclase-Albite] Lobato et al. (2015) | |
| Sauer (1982) |
| Costa et al. (2020) |
| doi.org/10.1007/BF00302491 +6 other references |
| Campos et al. (2022) |
| Thomson & Fife (1995) |
| [var: Oligoclase-Albite] Zapata Montoya et al. (2026) |
| Queiroz (2016) |
| Machado et al. (2021) |
| Raimbault (1993) |
| Bulanova et al. (2010) |
| Lopes et al. (2024) |
| Chris D. Parkinson et al. |
| Marins da Pedra |
| Lagache et al. (1997) |
| Revista Brasileira de Geociências 30 (2) | |
| Cassedanne et al. |
| Cabral et al. (2021) +1 other reference |
| Santos et al. (2023) +1 other reference |
| Hunger et al. (2021) | |
| Craveiro et al. (2019) |
| Lopes et al. (2019) |
| Fernandes et al. (2023) |
| Souza et al. (2024) |
| Joe Cilen |
| Massuda et al. (2020) +1 other reference |
| [var: Oligoclase-Albite] Siachoque +2 other references |
| Coelho et al. (2025) |
Bulgaria | |
| Svetoslav Petrussenko et al. (2007) |
| Milenkov et al. (2022) |
| Georgieva et al. (2023) |
| Georgieva et al. (2023) | |
Cameroon | |
| Lavenir et al. (2023) |
| Tetsopgang et al. (1999) |
| Jérémine (1941) +6 other references |
Canada | |
| - (n.d.) |
| Imperial Metals Corp |
| Montgomery (n.d.) |
| Montgomery (n.d.) | |
| Peatfield (n.d.) |
| Peatfield (n.d.) |
| Peatfield (n.d.) | |
| Bannatyne (1985) |
| Paul (1984) +1 other reference | |
| Bannatyne (1985) |
| [var: Oligoclase-Albite] Bannatyne (1985) |
| Bannatyne (1985) | |
| [var: Oligoclase-Albite] Rubingh et al. (2024) |
| Rubingh et al. (2024) | |
| Rubingh et al. (2024) | |
| Curtis et al. (1977) |
| Lemanski (n.d.) | |
| 181. +1 other reference |
| Belley et al. (2017) +1 other reference | |
| Grice (1989) |
| PRESSACCO (2001) |
| Hawley et al. (1962) |
| Bancroft Mineral Museum |
| Storey C.C. and Vos M.A. (1981) |
| Shipman Mine |
| Sabina (1971) |
| Sabina (1971) |
| Sabina (1971) | |
| Ontario Ministry of Northern ... +2 other references |
| Grew et al. (2010) |
| Sabina (2007) |
| Lloyd Van Duzen | |
| King (n.d.) |
| Carter T. R. (1980) |
| Selway (1993) |
| Age of the Cabonga nepheline syenite +3 other references |
| Agnico Eagle Mines Limited |
| Sabina (2003) |
| Taner et al. (1984) |
| Lemanski (n.d.) |
| Johnston |
| castaing.eps.mcgill.ca (n.d.) |
| Alfred Stevenson collection. |
| Belley et al. (2014) | |
| Hulstein et al. (2011) |
Central America | |
| Bateson et al. (1970) | |
Chad | |
| Vincent (Sahara du Tchad) +4 other references |
Chile | |
| Rojas et al. (2018) |
China | |
| Xikun Chen (1987) |
| Bοlin et al. (1995) |
| C. Lemanski (re-entry lost Mindat data) |
| Xiaoyong Yang and Yongfei Zheng (2005) |
| Jinglin Yu and Yunjia Zhao (1977) |
| Jixi Xiang and Ruqing Ji (1980) |
| [var: Oligoclase-Albite] Ping Luo et al. (2009) |
| Tian et al. (2023) |
| Meng et al. (2023) |
| Gansu Province Metallurgical and Geological Exploration Team No. 4 (1978) |
| Fengjun Nie et al. (2004) | |
| Jianzhong Feng et al. (2002) |
| Teng et al. (2025) |
| Wenjin Xiao (2009) |
| Lianshun Feng (1986) |
| Juyun Gu et al. (1984) |
| [var: Oligoclase-Albite] Desong Lin and Kaixuan Wang (1987) |
| Zhu et al. (2001) | |
| Zhu et al. (2001) | |
| [var: Oligoclase-Albite] Jinbang Wang (1988) |
| Lubin Wang et al. (2011) |
| Deru Xu et al. (2006) |
| Fengjun Nie et al. (2007) |
| Qianwen Cao and Yaowu Ren (1990) | |
| Xueling Dai et al. (2010) |
| Baode et al. (2003) |
| Guanxiang Song (1991) +1 other reference |
| Jun Liu et al. (2013) |
| Feng et al. (2022) |
| Xue Chen et al. (2010) |
| Zhenhe Han et al. (2010) +1 other reference |
| Qiu et al. (2024) |
| Yang et al. (2024) |
| Xingjie Jia et al. (2012) |
| Meizhen Yang et al. (2011) |
| Zhang et al. (2023) |
| Jiannian Ceng et al. (1991) |
| Wei et al. (2024) |
| Donghong Liu (2009) |
| [var: Oligoclase-Albite] Zeheng Lei et al. (2009) |
| Shimou Chen et al. (1981) +1 other reference |
| Wenlan Zhang et al. (2011) |
| [var: Oligoclase-Albite] Fushun Li et al. (2012) |
| Liu et al. (2025) |
| Fengjun Nie et al. (2005) |
| Yan Liu et al. (2002) | |
| Qing-chang (1981) |
| Guanghai Liu and Daming Bai (1994) |
| Fengjun Nie et al. (2007) |
| Xu Jiuhua et al. (2008) |
| Zhitian Wang and Kezhang Qin (1988) |
| Gupta +1 other reference |
| [var: Oligoclase-Albite] Qiu et al. (2019) |
| [var: Oligoclase-Albite] Jingzhan Zhu et al. (2013) | |
| [var: Oligoclase-Albite] The Editorial Committee of the Mineral deposits in China (eds) +1 other reference | |
| Zhang et al. (2010) |
| Xu Jiuhua et al. (2008) |
| Yiming Zhao et al. (2008) |
| Pitiya et al. (2022) |
| Wang et al. (2026) | |
| Shi et al. (2024) |
| Dazhong Zheng and Ruofeng Zheng (2005) |
| Gong et al. (2023) +1 other reference |
| Jili Shen (1988) |
| Zhao et al. (2022) |
| Guanglai Li et al. (2011) |
| Yunhuai Lin and Shiyang Chen (1985) |
| Wenxue Zou (1983) |
| Zongyao et al. (2005) |
| [var: Oligoclase-Albite] Kuanglin Yan (1978) |
| Zhang +2 other references | |
| Zhang | |
| Desong Lin (1993) +1 other reference |
| [var: Oligoclase-Albite] Ju et al. (2023) |
| Yang et al. (2023) |
| Poulsen et al. (1990) |
| Matsuda (1969) |
| Liaoning Province Metallurgical and Geological Exploration Company Geophysical Team and Joint Study Group No. 102 (1980) |
| Dazhao Guo et al. (2005) | |
| Cheng et al. (2018) |
| Jiangfeng Liu (2009) |
| Chang et al. (2024) |
| Chang et al. (2024) | |
| Zhou et al. (2024) |
| Jing Xue et al. (2012) |
| Xiachang Li (1980) |
| [var: Oligoclase-Albite] Ganggeng Wei et al. (2000) |
| Kefa Yang (1982) |
| Zhangsheng Feng et al. (2013) +1 other reference |
| Yuan et al. (2019) |
| Yuan et al. (2019) | |
| Lishe Wang et al. (2010) |
| Yun Zhou et al. (2009) |
| Haichao Yuan et al. (2009) |
| Licheng Tang (1989) +1 other reference |
| Chen et al. (2024) | |
| Yang et al. (2022) |
| Ye et al. (2002) |
| Zhenhua Ding (1998) |
| Shanbao Liu et al. (2005) |
| [var: Oligoclase-Albite] Yuehong Deng and Fu Huang (2007) | |
| Yijun Zhou et al. (2002) |
| [var: Oligoclase-Albite] Shijiang Ding et al. (2000) |
| Zhaolong Li and Lianying Zhang (1999) |
| Iwao (1969) |
| Chenghua Zhang and Guodong Ji (1983) |
| Liu et al. (2025) |
| Chenghua Zhang and Guodong Ji (1983) |
| Ju et al. (2025) |
| [var: Oligoclase-Albite] Shihong Tian et al. (2006) | |
| [var: Oligoclase-Albite] Yue et al. (2018) |
| Yan Liu et al. (2010) |
| Zhiming Yang et al. (2008) |
| Wu et al. (2025) |
| Duan et al. (2024) |
| Zhang et al. (2025) | |
| Xiaoping Luo et al. (2009) |
| Daxin Li et al. (2013) |
| Sun et al. (2018) +1 other reference |
| Yuping Su et al. (2007) |
| Zhang et al. (2006) |
| Zhang et al. (2006) | |
| Zhang et al. (2022) |
| Tang (2005) |
| Yinlin Feng and Xiaopo Jiang (1987) |
| Zhanfeng Zhao et al. (2009) | |
| Wuhan Huaze Science & Technology ... |
| Peng et al. (2015) |
| Yongbei Zhang et al. (1998) |
| Zhong et al. (2025) |
| Zhong et al. (2025) |
| Jinchan Li and Yuhua Yang (2006) |
| Zhang et al. (2022) |
| [var: Oligoclase-Albite] Jiarui Feng et al. (2010) |
| Fu et al. (2019) |
| Wang et al. (2025) |
| Mao et al. (2013) |
| Zhenkuan Luo et al. (1986) |
Colombia | |
| Barboza-Miranda et al. (2025) |
| Betancur-Figueroa et al. (2020) |
Czech Republic | |
| Canadian Mineralogist: 44: 23-30. |
| Filip et al. (2006) |
| Losert |
| Ackerman (2005) | |
| Novák et al. (2013) +1 other reference |
| Povondra et al. (eds.) +1 other reference |
| Litochleb +4 other references |
| Pauliš +3 other references |
| Beran (Ag, Au, Co) +2 other references |
| Kotrlý +5 other references |
| Kopa |
| Kuttna +1 other reference | |
| Novotný |
| Gába |
| Gába | |
| Kruťa et al. (1968) |
| Kretschmer (Mähren) |
| Novák |
| Kruťa et al. (1968) |
| Drozen |
| Kalenda et al. (2011) |
| Nováček |
| Welser |
| Welser |
| Vrána (1979) |
| pruvodce.geol.morava.sci.muni.cz (2007) |
| Malỳ et al. (2019) |
| Houzar | |
| Hrazdil (2001) |
| Němec |
| Ulrych et al. (1983) +11 other references |
| Ackerman et al. (2025) |
| Houzar |
| Staněk (1991) +4 other references |
| Novák et al. (2008) | |
| Staněk (1997) | |
| Staněk (1997) | |
| Staněk (1997) | |
| Staněk (1997) | |
| Novák et al. (1999) | |
| Pauliš | |
| Houzar +5 other references | |
| Bačík et al. (2012) |
| Novák +3 other references | |
| Novák +2 other references |
| Bukart E. (1953) | |
| Pelíšek |
| Cerny et al. (2000) |
| Cerny et al. (1964) +1 other reference | |
| Tuček K.: Meteority a jejich výskyt v ... |
Denmark | |
| Pedersen et al. (1975) +1 other reference | |
DR Congo | |
| Cools et al. (2025) |
| - (2005) |
Ecuador | |
| Alejandro Felix |
| Díaz Castro et al. (2025) |
Egypt | |
| Abdelfadil et al. (2024) |
| Mogahed (2016) | |
| El-Wardany et al. (2023) | |
| Zoheir et al. (2014) | |
| El Ramly +4 other references | |
| [var: Oligoclase-Albite] Atef et al. (2023) | |
| El-Dokouny et al. (2023) | |
| Khedr et al. (2024) | |
| Zoheir et al. (2022) | |
| El Ramly et al. (1969) +4 other references | |
| [var: Oligoclase-Albite] Atef et al. (2023) | |
| Abed et al. (2022) | |
| Zoheir et al. (2020) | |
| El-Desoky et al. (2022) | |
| Zoheir (2008) |
Estonia | |
| Sophie Graul |
Ethiopia | |
| Tazieff et al. (decembre 67-fevrier 68) +4 other references |
| Di Paola (between 7º00' and 8º40' lat.north) +4 other references |
| Brotzu et al. (Main Ethiopian Rift) +3 other references |
| Alula et al. (1992) | |
Eurasian Plate | |
| Sun et al. (2020) |
Finland | |
| Mikkola et al. (2011) |
| Nordenskiöld (1863) |
| Lukkari (2007) |
| Rouhunkoski et al. (1974) |
| Lahti |
| Väisänen et al. (1999) |
| Mattinen (1952) |
Finland/Russia | |
| Lemanski (n.d.) |
France | |
| Parneix et al. (1982) |
| Brousse +17 other references |
| Varet (1970) |
| Forestier (1964) |
| Forestier (1964) |
| J.L. Poitevin |
| Brousse +15 other references | |
| J. Bertaux |
| B. Clavaud and G. Ratsimba (Massif Central Français) |
| B. Clavaud and G. Ratsimba (Massif Central Français) | |
| Brousse +13 other references |
| Leblanc et al. (1987) |
| Bailey +7 other references | |
| G. Demarcq |
| G. Demarcq |
| G. Demarcq |
| G. Demarcq |
| G. Demarcq |
| Mourey Y. (1985) |
| Chauris et al. (1965) |
| Chauris (2014) |
| Chauris (2014) |
| Georget (1986) |
| Chauris (2014) |
| Lacroix (1897) +1 other reference |
| CHAURIS L. (1998) |
| Lacroix (1897) |
| Barrière et al. (1985) |
| Barrière et al. (1985) |
| Eur. J. Mineral. |
| Chubb et al. (1927) +8 other references |
| volcanologie et al. (6) +13 other references |
| Blais et al. (1997) +2 other references |
| Chubb et al. (1927) +1 other reference |
| Fodor et al. (1975) |
| Maurizot et al. (2020) |
| Maurizot et al. (2020) |
| Bull. Soc. Franç. Minéralo. ... |
| Rémy Ph. (2005) |
| Raimbault et al. (1987) |
| |
| Poulain et al. (1974) |
| J.P. Couturié : "Le Massif Granitique de La Margeride (Massif Central Français) |
| Andrieux (1982) |
| Baret (1905) |
| Baret (1905) | |
| Baret (1905) |
| Baret (1905) | |
| Baret (1905) |
| Baret (1905) |
| Baret (1905) |
| Baret (1905) | |
| Baret (1905) |
| Baret (1905) | |
| Pusztaszeri (1969) +2 other references |
| Lougnon (continent et Iles du Levant) |
| Upton et al. (1966) +5 other references |
Georgia | |
| Kumladze et al. (2024) |
Germany | |
| Hanneberg et al. (2009) +1 other reference |
| Grimm (1989) |
| Obermüller (1993) |
| |
| Müller (1984) |
| |
| G. Franz and E.A. Smelik |
| Müller (1984) |
| Dill et al. (2012) |
| Oehm et al. (1983) +6 other references |
| Weiß (1990) |
| Weiß (1990) |
| Brauns (1922) |
| Brauns (1922) |
| Brauns (1922) |
| Blass et al. (2006) |
| El-Kaluoby |
| Schneider (1991) |
| Wittern (2001) |
| Wittern (2001) | |
| Frenzel (1874) |
| Tuček K.: Meteority a jejich výskyt v ... |
| Grütze (2006) |
| Wittern (2001) |
Greece | |
| Kilias et al. (1997) |
| [var: Oligoclase-Albite] Melfos +11 other references |
| Liati et al. (1994) |
| Stergiou et al. (2025) |
| Kevrekidis et al. (2024) |
| Pomonis et al. (2005) |
Greenland | |
| Bøggild (1953) |
| Harry et al. (1964) |
| Harry et al. (1964) | |
| www.koeln.netsurf.de (1999) |
| Bøggild (1953) |
| Bøggild (1953) |
| Bøggild (1953) | |
Guyana | |
| |
Hungary | |
| Jáger et al. (2003) |
| |
| Kohút et al. (2019) |
| Lelkes-Felvari et al. (1989) |
| Szakáll & Jánosi. Minerals of Hungary |
| Koch: Minerals of Hungary |
| |
| Szakáll et al. (1996) |
Iceland | |
| Collected by Jamie Turnbull |
India | |
| Bose et al. (1971) +3 other references |
| Rajesh (2000) |
| Bilgrami (1955) |
| [var: Oligoclase-Albite] Acharya et al. (1982) |
| Panneerselvam et al. (2002) |
| Das et al. (2024) |
| Sarkar et al. (1980) |
| [var: Oligoclase-Albite] Rout et al. (2022) +1 other reference |
| Anand et al. (2022) |
| Sahu et al. (2026) |
| Srinivasan (1977) +1 other reference |
| Ramasamy (1996) |
| Ramasamy et al. (2013) |
| shanker et al. (2002) |
| Bhaumik et al. (1990) |
| [var: Oligoclase-Albite] Baidya |
Indonesia | |
| Maryono et al. (2018) |
| Abdurrachman et al. (2012) |
| [var: Oligoclase-Albite] Verdiansyah et al. (2022) |
| Arif et al. (2004) +1 other reference |
Iran | |
| Mikaeili et al. (2025) |
| Nezafati et al. (2017) |
| Nezafati et al. (2017) | |
| Nezafati et al. (2017) | |
| Boccaletti et al. (1976) +1 other reference |
| Ehya et al. (2021) |
| Soleymani et al. (2024) |
| Sinisi R. et al. (2019) |
| Abedini et al. (2024) |
| Rasti et al. (2026) |
| Mehrabi et al. (2016) |
Ireland | |
| Barros et al. (2022) |
| Barros et al. (2022) | |
Italy | |
| Rebay et al. (2026) |
| Eur. J. Mineral. |
| Bonardi et al. (1984) |
| [Lapis 1994:5 p.13-23 |
| Editorial Board (1873) | |
| Jervis (1881) |
| [var: Oligoclase-Albite] Negretti +2 other references |
| Barberi et al. (1984) +5 other references |
| Scherillo A. (1940) +1 other reference |
| Vignola P. et al. (2010) +1 other reference |
| - (n.d.) |
| Ghizzoni et al. (2005) | |
| Ghizzoni et al. (2005) | |
| Ghizzoni et al. (2005) | |
| Ghizzoni et al. (2005) | |
| Ghizzoni et al. (2005) | |
| Ghizzoni et al. (2005) | |
| King (n.d.) |
| De Michele (1974) |
| De Michele (1974) |
| [var: Oligoclase-Albite] De Michele (1974) |
| Santoro et al. (2025) | |
| Colomba (1904) |
| Piolti (1896) |
| Galli (1959) +1 other reference | |
| Bassani U. et al. (Ossola, Novara) |
| Boriani (1968) |
| Boriani (1968) |
| Boriani (1968) | |
| Il Regno Minerale nell' Ossola. Aldo G. Roggiani. La Miniera di Rame di Miggiandone (Ornavasso) +1 other reference |
| Oberto et al. (2021) |
| Cossa (1877) |
| Castorina et al. (2006) |
| Gamboni et al. (2006) |
| Gamboni et al. (1996) |
| Gamboni et al. (1997) | |
| Gamboni et al. (1998) |
| Gamboni et al. (2006) |
| Gamboni et al. (2001) |
| Gamboni et al. (2006) |
| ... +1 other reference |
| Chester +9 other references |
| Rottura et al. (1993) |
| Bortolozzi (n.d.) |
| Bortolotti et al. (2001) +1 other reference |
| Fodor et al. (1975) |
Ivory Coast | |
| Coulibaly et al. (2025) |
Japan | |
| Kuno (1960) +1 other reference |
| Imaoka et al. (2024) |
| Miyashiro (1958) |
| Huzita (1971) |
| MASUTOMI et al. (1961) |
| 中川昌治 et al. (1998) +1 other reference |
| Tomita (1936) +5 other references |
| MACDONALD (1948) |
Jordan | |
| Blake et al. (1939) |
Kazakhstan | |
| |
| Kogarko et al. (1995) |
| Oitseva et al. (2017) |
| Zimanovskaya et al. (2022) | |
| Baibatsha et al. (2024) |
| |
| Yushina et al. (2022) |
Kenya | |
| Binge (1962) |
| Deines et al. (1973) +7 other references |
| Matheson (1966) +5 other references |
| Schulze et al. (1993) |
| Ministry of Energy and Regional ... +4 other references |
| Gregory (1900) +6 other references |
| Binge (1962) +4 other references |
| Shackleton (1946) +2 other references |
Kyrgyzstan | |
| OROZBAEV et al. (2007) |
| Soloviev (2011) |
Libya | |
| Lustrino et al. (2012) |
| Goodrich et al. (2015) |
Madagascar | |
| Behier et al. (1959) |
| Mahoney et al. (2008) | |
| Lacroix (1912) +3 other references |
| Besaire (1966) |
Malawi | |
| Peters +1 other reference |
| Haslam (1980) |
| Bloomfield (1965) +1 other reference |
| Bloomfield (1965) +3 other references |
| Hopkins +2 other references |
| Hopkins +2 other references | |
| Garson |
| pdfs.semanticscholar.org (n.d.) +5 other references |
| Garson et al. (1958) +5 other references |
Malaysia | |
| Ai Zamruddin et al. (2023) |
| Batchelor (1994) | |
| Grubb (1965) +2 other references |
Mauritania | |
| Blanc +5 other references |
Mexico | |
| Michel-Lévy et al. (1978) |
| Broughton (1968) |
| Zucchi et al. (2025) |
| Ruzicka et al. (2006) |
| Kessel et al. (2007) |
Mongolia | |
| [var: Oligoclase-Albite] Soloviev et al. (2022) |
| Dostal et al. (2022) |
Morocco | |
| Jahn et al. (2003) |
| De Sitter et al. (1952) +1 other reference |
| Maya Gold and Silver |
| Fontan (1978) |
| [var: Oligoclase-Albite] Ferraq et al. (2024) |
Mozambique | |
| TORRE DE ASSUNCAO et al. (1962) |
| Behier (1957) |
| Wilson et al. (2000) |
| Wilson et al. (2000) |
Myanmar | |
| AmMin 89:610–613 (2004) |
| Chhibber et al. (1934) +3 other references |
| Mao et al. (2020) |
Namibia | |
| deepyellow.com.au (2020) |
| Mathias (1956) +8 other references |
| Simpson +5 other references | |
| Dunn (1991) +1 other reference |
| GENIS |
New Zealand | |
| Searle (1958) |
| Sewell +7 other references |
| Hay et al. (1970) +4 other references | |
| Cody et al. (1981) |
| Cullen (1975) |
| Mossman et al. (1969) |
| Wood (1969) +1 other reference |
| Turnbull et al. (2017) |
| Grapes et al. (1999) |
| Paritu |
| Moore (1979) |
| Pirajno et al. (1985) |
| Pirajno (1982) | |
| Hutton (1957) |
| Jury (1981) |
| Grapes et al. (1992) |
Niger | |
| [var: Oligoclase-Albite] Mama Ntoumbé et al. (n.d.) |
| consequences. Bulletin de la Société géologique de France (6) +3 other references | |
Nigeria | |
| Amuda et al. (2022) |
North Korea | |
| Takeo Kato: "Two Types of Nickeliferous Pyrrhotite Deposits Found in Korea." (9 pp) |
| Paek et al. (1993) |
Norway | |
| Scheerer (1845) |
| Forbes et al. (1855) | |
| |
| Andersen (1931) |
| Andersen (1931) | |
| Andersen (1931) | |
| Scheerer (1845) |
| Morton et al. (1963) |
| |
| |
| Andersen (1931) | |
| |
| Andersen (1931) | |
| Åmli (1969) | |
| |
| |
| Andersen (1931) |
| Adamson (1942) |
| Adamson (1942) | |
| Adamson (1942) |
| Adamson (1942) | |
| Adamson (1942) | |
| Adamson (1942) | |
| Adamson (1942) | |
| Adamson (1942) | |
| Oftedahl (1963) +1 other reference |
| Nijland et al. (2001) |
| [var: Oligoclase-Albite] Bjørlykke (1937) |
| [var: Oligoclase-Albite] King (n.d.) | |
| Schetelig (1922) |
| Barth (1931) |
| Schetelig (1922) |
| |
| |
| Breivik (2001) | |
| Andersen (1931) | |
| Schetelig (1916) |
| Mallard (1887) | |
| Weibye (1848) |
| [var: Oligoclase-Albite] Sigurd Stordal |
| Schetelig (1922) |
| [var: Oligoclase-Albite] Clark (1993) |
| [var: Oligoclase-Albite] Kierulf (1861) | |
| Brøgger (1890) |
| Carstens (1915) |
| ... |
| Mysen et al. (1971) |
| Kullerud (1996) |
| Ihlen (2004) |
| [var: Oligoclase-Albite] Vogt (1922) |
| Geological Survey of Norway. The Ore ... |
| Geological Survey of Norway. The Ore ... |
| Nordrum et al. (2006) | |
| Kvamsdal (1998) |
| Heldal +29 other references | |
| Brōgger (1881) |
| Schetelig (1922) |
| Andersen (1931) |
| Natural History Museum | |
| Andersen (1931) | |
| Bugge (1965) |
| collection of the British Museum of Natural History #1911 (1975) | |
| Forbes et al. (1855) | |
| [var: Oligoclase-Albite] Bergstøl et al. (1988) |
| Neumann et al. (1955) |
| The Natural History Museum | |
| Andersen (1924) |
| De La Cruz et al. (2021) | |
| Dons (1963) |
| Kresten et al. (1986) |
| Barth (1927) |
| Barth (1927) | |
| Sturt et al. (1967) |
| Sturt (1961) +12 other references | |
| Kullerud et al. (2012) |
| Witsø (1995) |
| Witsø (1995) | |
| Györy (1968) |
| Berge et al. (1975) |
| Spürgin et al. (2009) |
Pacific Ocean | |
| Yan et al. (2024) | |
Pakistan | |
| Wang et al. (2022) |
| Blauwet et al. (2004) +1 other reference |
| Roccati (1909) |
| Roccati (1909) | |
| Laurs et al. (1998) |
| Rolfo et al. (1997) | |
| imported from Rondu District +1 other reference | |
| Keil et al. (1965) |
Papua New Guinea | |
| Smith (1976) +1 other reference |
| Rinne et al. (2018) |
| Rinne et al. (2018) | |
Paraguay | |
| Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959) |
Peru | |
| Lewis (1956) |
| Liipo et al. (1994) |
Philippines | |
| Giese et al. (1986) |
Poland | |
| Lis et al. (1986) |
| Pieczka A. et al. (2004) |
| Gil et al. (2022) | |
| Grzegorz Słowik |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) | |
| Lis et al. (1986) |
| Lis et al. (1986) | |
| Kozłowski A. (2021) |
| Kozłowski et al. (2016) | |
| Lis et al. (1986) |
| Szełęg E. and Škoda R. (2008) |
| Pieczka A. | |
| Wojciechowska I. (STRONIE SERIES, ORLICA – ŚNIEŻNIK DOME) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Gil et al. (2019) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Janeczek J. (1989) +1 other reference |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) | |
| Lis et al. (1986) |
| Lis et al. (1986) |
| Lis et al. (1986) | |
| Lis et al. (1986) |
| Lis et al. (1986) |
| [var: Oligoclase-Albite] Pieczka et al. (2018) |
| Lis et al. (1986) |
| Lis et al. (1986) | |
| Grahmann R. (1937) |
| Panasiuk +4 other references |
| Szełęg E. (scapolite group) +1 other reference |
| Friedrich K. Drescher-Kaden (2018) |
| Grabarczyk et al. (2022) |
Portugal | |
| Meunier et al. (2023) |
| King (n.d.) |
| [var: Oligoclase-Albite] |
| geoportal.lneg.pt (n.d.) |
| Wright (1968) +4 other references |
| Gagel (1913) +11 other references | |
| Morais +2 other references | |
| Breiter et al. (2023) | |
| Cruz et al. (2024) |
| Leal et al. (2022) |
Romania | |
| Marincea et al. (2023) |
| Bielz (1889) |
| Bielz (1889) |
| vom Rath (1876) +1 other reference |
Russia | |
| Likhanov et al. (1995) |
| Shen et al. (2025) |
| Kepezhinskas et al. (2023) +1 other reference |
| Kislov (2024) |
| Gordienko et al. (2016) +1 other reference |
| [var: Oligoclase-Albite] Kiseleva et al. (2022) |
| Zhmodik et al. (2022) | |
| Galina Gubko (2009) |
| Pavel M. Kartashov (n.d.) |
| GUROV et al. (2004) |
| Savva et al. (2012) | |
| Nagornaya et al. (2020) |
| Alekseev (2025) |
| Kolova et al. (2021) |
| Rakovan et al. (2017) |
| www.rns-pdf.londonstockexchange.com (2022) | |
| Nevstruev et al. (2019) |
| Buravleva et al. (2016) | |
| [var: Oligoclase-Albite] Gramenitskiy et al. (2019) |
| Chayka et al. (2023) |
| Novakov et al. (2021) |
| Sandimirova et al. (2014) |
| Bortnikov et al. (2023) |
| Chernykh et al. (2024) |
| [var: Oligoclase-Albite] Lennikov et al. (2004) |
| Bortnikov et al. (2008) |
| Bortnikov et al. (2008) |
| Alekseev et al. (2017) |
| Soloviev et al. (2022) |
| Gordienko et al. (2016) |
| Sluzhenikin et al. (2015) |
| Shchukina et al. (Vol. 473, No. 1, pp. 333-337) |
| Erokhin et al. (2017, December) +1 other reference |
| Kolova et al. (2023) |
| Savva et al. (2014, June) |
| Пекин (2010) +1 other reference | |
| Пекин (2010) +1 other reference | |
| Arzamastsev et al. (2006) |
| ... | |
| ... |
| Mokrushina et al. (2023) |
| Ivanyuk et al. (2012) |
| D’yachkov et al. (2022) |
| Zozulya et al. (2022) |
| Kalinin et al. (2024) |
| Kalinin et al. (2019) |
| Svetlitskaya +2 other references |
| Erokhin et al. (2018) |
| Vasilenko (2001) |
| Bortnikov et al. (2008) | |
| Kazachenko et al. (2013) |
| Grebennikov (2011) | |
| - (2014) |
| Pavel M. Kartashov (n.d.) |
| Pekov (1998) |
| Dmitry Tonkacheev photo & specimen | |
| Pavel M. Kartashov (n.d.) | |
| Safonov et al. (2003) | |
| Ivashchenko (2024) |
| Ivashchenko et al. (2018, June) |
| [World of Stones 12:49] | |
| Trunilina et al. (2021) |
| Kostin (2020) | |
| Trunilina et al. (2022) |
| Trunilina et al. (2022) | |
| Trunilina et al. (2024) |
| Trunilina et al. (2024) |
| Vital'Evna (2021) |
| Pavel M. Kartashov (n.d.) |
| Avdonin V.N. (2004) |
| [var: Oligoclase-Albite] Sokol et al. (2010) |
| Sokol et al. (2010) | |
| [var: Oligoclase-Albite] Sokol et al. (2010) | |
| Igor.V. Pekov (2008) |
| Shabutdinov et al. (2024) | |
| USGS Open File Report 2005-1252 p87 |
| Kuzhuget et al. (2023) |
| www.minsocam.org (n.d.) |
| www.minsocam.org (n.d.) |
| Chukanov et al. (2026) |
| Gongalsky et al. (2019) |
| Thomas et al. (2012) |
| Thomas et al. (2012) | |
| Peretyazhko et al. (2004) +1 other reference | |
| Kasatkin et al. (2020) | |
| Badanina et al. (2008) +1 other reference | |
| Kasatkin et al. (2014) |
| [var: Oligoclase-Albite] Yurgenson et al. (2023) |
| Lyubimtseva et al. (2021) | |
Rwanda | |
| [var: Oligoclase-Albite] Hulsbosch et al. (2014) |
| Daltry et al. (1998) |
Saint Helena， Ascension and Tristan da Cunha | |
| Campbell (1915) +6 other references | |
Saint Lucia | |
| Le Guen de Kerneizon et al. (1982) +1 other reference |
Saudi Arabia | |
| [var: Oligoclase-Albite] Ahmed et al. (2006) |
Serbia | |
| Fodor (1975) |
| Fodor (1975) +1 other reference |
Sierra Leone | |
| Cabri et al. (2022) |
Slovakia | |
| Uher |
| Koděra et al. (1986) |
| Huraiová et al. (2019) |
| M. Huraiova et al. |
| Ďuďa | |
| Koděra et al. (1986) |
| Uher P. |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) | |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Pauliš et al. (2002) | |
| Bacsó |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Duda et. all. |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
| Koděra et al. (1986) |
South Africa | |
| Maier et al. (2023) |
| [var: Oligoclase-Albite] Baldwin (1994) |
South Georgia and the South Sandwich Islands | |
| Pettigrew (1981) | |
South Korea | |
| Kinosaki (1941) |
| Lee (ed) +7 other references | |
| Sahng Yup Kim (1986) |
Spain | |
| Romero Silva (2003) |
| B. Azambre et al. +1 other reference |
| B. Azambre et al. +1 other reference |
| Hernandez-Pacheco et al. (1969) |
| Hernandez-Pacheco et al. (1969) | |
| Proceedings of the Ocean Drilling ... | |
| Cendrero (1970) +7 other references |
| Stoppa et al. (2012) |
| Roda-Robles et al. (2012) |
| Torró et al. (2018) |
| |
| Ibarguchi (1995) |
| Pascual +1 other reference |
| Williams (1983) |
| Capedri et al. (1989) |
| Capedri et al. (1989) | |
| Capedri et al. (1989) | |
| Adrian Pesudo Collection |
| Honrubia et al. (2002) |
Suriname | |
| De Roever et al. (1976) |
Sweden | |
| Geijer (1939) |
| Dana 7:I:780 +1 other reference |
| Zittel (1860) | |
| Makvandi et al. (2024) |
| Geijer (1965) | |
| Wilke (1997) |
| Shaikh-Persson-Sundberg-Wik: SGU Rep. ... |
| Shaikh-Persson-Sundberg-Wik: SGU Rep. ... | |
| Hjelmqvist (1950) |
| Fullerton (2014) |
| Perge |
| Sundius (1951) | |
| The Swedish Museum of Natural History ... |
| Clark (1993) |
| |
| Quensel (1913) +3 other references |
| Lundegårdh (1995) |
| Jongejan et al. (1949) |
| Östra Värmlands Mineral Society |
| Welin (1965) |
| Sundius (1952) |
| Natural History Museum |
Switzerland | |
| Meyre et al. (1999) |
| Schnorrer (1995) +1 other reference |
| [var: Oligoclase-Albite] Günthert (1953) +1 other reference |
| [var: Oligoclase-Albite] Stalder et al. (1998) |
| [var: Oligoclase-Albite] Stalder et al. (1998) |
| Walter Gabriel (2005) |
Tajikistan | |
| Россовский (1963) +2 other references |
| [var: Oligoclase-Albite] Soloviev et al. (2019) |
| Xinjiang Tacheng International Resources Ltd. |
Tanzania | |
| Brock et al. (1964) |
Turkey | |
| Gultekin et al. (2016) |
| Abdelnasser et al. (2022) |
| Kocatürk et al. (2025) |
| Okay et al. (1985) |
| Kalender et al. (2004) |
| Beylikahir-Eskişehir et al. (2-3) +2 other references |
| Sarıfakıoğlu et al. (2009) |
| Orhan et al. (2023) |
| Lefevre et al. (1983) +3 other references |
| Kumral et al. (2016) |
| Kara et al. (2025) |
Uganda | |
| Sutherland (1969) |
UK | |
| Rastall (1910) +2 other references |
| Harker (1895) +2 other references | |
| Day (1999) |
| Ford et al. (1993) |
| Miller et al. (1962) +5 other references |
| Edmonds et al. (1979) +4 other references |
| Russell (1910) |
| Jobbins et al. (1966) |
| Day (1999) |
| B.G.J. Upton et al. |
| Phillips et al. (2013) |
| Downes et al. (2001) |
| Davidson (1935) |
| Davidson (1935) | |
| Emeleus et al. (1992) |
| Mineralogical Magazine 1967 36 : 60-63 |
| Shand (1910) +17 other references |
| Woolley (1973) | |
| Phemister (1926) +5 other references | |
| [BMS] |
| O. von Knorring and R. Dearnley (1960) |
| Harrison et al. (1987) +1 other reference |
Ukraine | |
| Cuney et al. (2012) |
| AV et al. (2011) +1 other reference | |
| Mudrovska et al. (2005) +1 other reference |
| Melnikov et al. (2006) |
| L.Z.Skakun et al. (2006) |
| [var: Oligoclase-Albite] L.Z.Skakun et al. (2006) | |
| Pekov (1998) |
| Kogarko et al. (1995) |
| Liventseva (n.d.) | |
| |
| Shumlyanskyy et al. (2021) | |
USA | |
| - (1989) |
| Cook et al. (1982) |
| Dean (1995) | |
| Cook et al. (1982) | |
| MRDS database Dep. ID #10257231 |
| Haxel et al. (2023) |
| Schrader (1909) |
| Schrader (1909) |
| Schrader (1915) |
| Williams (1960) |
| Wilson (1969) |
| Schrader (1915) |
| Locality description |
| Schrader (1915) |
| London et al. (1982) |
| www.koeln.netsurf.de (2001) |
| Rose (1959) |
| Am Min 35:173-184 |
| Geol. Soc. of America Bulletin |
| Neuerburg (1954) |
| Neuerburg (1954) +3 other references | |
| Lawson (1903) |
| Pemberton (1983) +1 other reference |
| MacMurphy (1930) |
| Woodford et al. (1941) |
| Woodford et al. (1941) | |
| Cooney (1956) +2 other references |
| Hewett et al. (1957) |
| Jahns et al. (1951) |
| Rogers (1931) +1 other reference |
| Eckel et al. (1997) |
| Eckel et al. (1997) |
| Am Min 50:1179-1212 |
| [var: Oligoclase-Albite] AmMin 32:518-526 (1947) |
| - (2005) | |
| Eckel et al. (1997) |
| [var: Oligoclase-Albite] Rudy Bolona |
| Shepard (1839) +1 other reference |
| J. Zolan |
| Manchester (1931) | |
| Marcin (1981) |
| Moritz (n.d.) |
| Hobbs (1901) | |
| Moritz (n.d.) | |
| dep.state.ct.us (2004) |
| Schooner (1961) |
| Schooner (1961) |
| King (n.d.) |
| Schooner (1958) |
| Schooner (1958) |
| Schooner (1958) |
| Williams (1899) | |
| Kevin Czaja Collection | |
| Foye (1922) | |
| Stugard (1958) |
| - (2005) |
| Dale (1911) |
| Dale (1911) |
| Dale (1911) |
| Yale Peabody Museum |
| Cook (1978) |
| 91-94. +1 other reference |
| Cook (1978) |
| Cook (1978) |
| 95-96. +1 other reference | |
| Bryan (2017) | |
| Cook (1978) | |
| Cook (1978) |
| Cook (1978) |
| 124-125. +1 other reference |
| Cook (1978) |
| Cook (1978) | |
| Cook (1978) | |
| Helms et al. (1987) |
| Cook (1978) |
| Heinrich et al. (1953) |
| - (2005) | |
| Patrick J. Shamberger (2004) |
| R. V. Fodor (2009) | |
| Macdonald et al. (1960) +1 other reference |
| Sinton (2006) |
| Velde (1978) | |
| Stearns et al. (1947) +2 other references | |
| - (2005) |
| Hietanen | |
| - (2005) |
| Ream (2004) |
| Lovering (1962) |
| Falster et al. (2004) |
| King (n.d.) |
| Vandall King |
| Vandall King | |
| King (n.d.) |
| King et al. (1994) |
| King (n.d.) |
| King et al. (1994) |
| Dale (1923) |
| Emmons (1910) |
| O'Brian (2017) |
| Locality description |
| Shaub |
| Cheney et al. (1973) | |
| King (n.d.) |
| Bastin (1911) +1 other reference |
| King (n.d.) |
| Houston |
| King et al. (1994) |
| Thompson et al. (1998) | |
| King et al. (1994) | |
| King (n.d.) |
| King et al. (1994) |
| Wing |
| Morrill & Hinckley |
| King et al. (1994) |
| Ostrander et al. (1940) |
| Ostrander et al. (1940) |
| USGS Bull. 426 |
| USGS : Wissahickon Formation | |
| USGS Bull. 426 |
| |
| Dennen |
| Plante (1992) |
| Lincks (1978) |
| Brownlow (MIT thesis) | |
| Dale (1910) +1 other reference |
| Emerson (1917) | |
| [var: Oligoclase-Albite] Dale (1910) |
| [var: Oligoclase-Albite] Dale (1910) |
| [var: Oligoclase-Albite] Dale |
| [var: Oligoclase-Albite] Dale | |
| [var: Oligoclase-Albite] Dale | |
| [var: Oligoclase-Albite] Dale | |
| [var: Oligoclase-Albite] Dale | |
| Hitchen (1935) |
| Barosh +2 other references | |
| Dale (1910) |
| Journal of Petrology +1 other reference |
| Aldrich et al. (1965) | |
| Heinrich et al. (2004) |
| Heinrich et al. (2004) | |
| Heinrich et al. (2004) |
| Chaudhuri et al. (1967) | |
| Graham and Robertson (1951) |
| Lasmanis (1972) |
| Guidebook for the Butte Field Meeting ... |
| Castor et al. (2004) |
| - (2005) | |
| Aird et al. (2021) |
| - (2005) |
| - (2005) |
| USBM IC-6902 +3 other references |
| Scott Whittemore |
| [var: Oligoclase-Albite] Dale (1923) |
| ... |
| Dorais et al. (1994) |
| Cameron +1 other reference |
| Dale (1909) |
| Dale (1909) | |
| Dale (1909) | |
| Dale (1909) |
| |
| Cameron et al. (1954) |
| Meyers et al. (1956) | |
| Cameron et al. (1954) +1 other reference | |
| Cameron et al. (1954) |
| Segeler et al. (1981) |
| Hitchcock (1905) | |
| Meyers et al. (1956) | |
| Orange (1985) |
| Cameron et al. (1954) |
| Rocks & Min.: 17:136-139. |
| Meyers et al. (1956) | |
| Morrill +2 other references | |
| Cameron et al. (1954) |
| Cameron et al. (1954) +1 other reference |
| Meyers et al. (1956) |
| P. Cristofono collection | |
| Nashua Min Soc. Disp. Cat. 1995 | |
| Smith (2005) | |
| Morrill | |
| Dale (USGS Bull. 430) |
| King (n.d.) | |
| Morrill | |
| Dale (1908) |
| Dale (1908) | |
| Dale (1908) | |
| Dale (1908) | |
| Dale (1908) | |
| Dale (1908) | |
| Dale (1923) | |
| Dale (1908) | |
| Dale (1908) |
| Dale (1908) | |
| Dale (1908) | |
| Eby (1984) |
| Walsh & Clark (USGS Open-File Report 99-8) | |
| Walsh & Clark (USGS Open-File Report 99-8) | |
| [var: Oligoclase-Albite] Dale (1923) |
| Cameron et al. (1954) |
| Cameron et al. (1954) | |
| Rocks & Min.: 12:308. | |
| Rocks & Min 80:257 +1 other reference |
| Volkert et al. (1) |
| |
| The Iron Mines of NJ (1910) |
| NJ State Geol. Ann. Rpt: (1886) |
| Manchester (1931) |
| Gorring et al. (2024) | |
| Volkert et al. (1) |
| Jaffe et al. (1962) +1 other reference |
| Hague (1956) +3 other references | |
| Rutgers Univ. Bull. #5 |
| Dunn (1995) | |
| The Mineralogy of Franklin and Ogdensburg et al. (2021) |
| The Iron Mines of NJ (1910) +1 other reference |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
| NMGS Spec Pub 6 |
| NMBMMR Bull 94 Geology and Ore Deposits ... |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| NMGS 21st Field Conference |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) |
| U.S. Geological Survey staff (1965) |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Maxwell et al. (1986) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Northrop et al. (1996) | |
| Manchester (1931) | |
| Jensen (1978) |
| Joe Cilen |
| Joe Cilen | |
| Robinson et al. (2007) |
| Manchester (1931) |
| Levison (1901) | |
| Levison (1901) | |
| Russell |
| Manchester (1931) |
| Marian Lupulescu (2008) |
| www.nysam.org | |
| Lupulescu | |
| Frank Mazdab analyses on specimen field ... |
| Rocks & Min.:8:61-65. |
| - (Januzzi, 1966, 1989) +1 other reference |
| Hogarth (1979) |
| Marian Lupulescu (2009) |
| Robinson et al. (2007) |
| Robinson et al. (2007) |
| [var: Oligoclase-Albite] Edith Trybalski |
| New York State Museum Bulletin No. 199 et al. (July, 1917) |
| New York State Museum Bulletin No. 199 et al. (July, 1917) |
| Jensen (1978) |
| Manchester (1931) |
| Manchester (1931) |
| Robinson et al. (2007) |
| Clarke (1921, September) |
| Speer et al. (2008) |
| Winter et al. (1981) |
| Watson (1904) | |
| Kinkel et al. (1967) |
| Deuser et al. (1962) | |
| Lesure (1968) | |
| Brobst et al. (1962) | |
| Mountain Mineral Monthly |
| Scott D. Giorgis et al. (2002) |
| Carolina Geological Society Annual ... +1 other reference |
| Lawrence et al. (1993) | |
| Griffitts et al. (1953) |
| Hogan et al. (2012) |
| - (2005) | |
| - (2005) | |
| Griffitts et al. (1953) |
| - (2005) | |
| RUFF database +1 other reference |
| Geological Society of America +1 other reference |
| Wilson et al. (1978) | |
| Hadley (1973) | |
| Heinrich (1965) |
| Anderson et al. (2009) | |
| Watson (1910) |
| Ransom (1974) |
| Rocks & Min.: 60: 91. |
| Lawrence et al. (1993) | |
| Ref.: Dana 6:499 |
| [var: Oligoclase-Albite] Abe Heinrich | |
| - (2005) | |
| Heinrich (1965) |
| Handbook of Aboriginal American ... |
| Rocks & Min.:11:76-77. |
| Veal (2004) |
| B.S. +1 other reference | |
| Richard C. Erd | |
| Dana 6:1077 +2 other references |
| King (n.d.) | |
| Lesure (1968) | |
| Erd et al. (1996) |
| Erd et al. (1996) |
| Journal of Geosciences +1 other reference | |
| Swanson et al. (2010) |
| Erd et al. (1996) | |
| Ross (1937) | |
| Colney (1962) | |
| Lawrence et al. (1993) | |
| Genth et al. (1881) | |
| - (2005) |
| J.Wright Horton et al. (2006) | |
| Overstreet et al. (1965) | |
| - (n.d.) | |
| Stephan Brewer Harper | |
| Whitney (1969) | |
| Jaffe et al. (1950) |
| Hatcher et al. (1977) | |
| Heinrich (1965) | |
| Lawrence et al. (1993) | |
| White (1945) |
| Harper et al. (1977) |
| Stephan Brewer Harper |
| Philip Stanley Justus | |
| Stephan Brewer Harper | |
| Rocks & Min.: 60:99. |
| www.mcrocks.com | |
| Rocks & Min.:60:99. |
| Richard C. Erd |
| Erd et al. (1996) |
| Grady (2000) |
| J.D. Price et al. |
| Samual S. Gordon +1 other reference |
| Gordon (1922) |
| Rocks & Min.:59:109-120. |
| Rocks & Min.: 59:109-120 & 62:176-178. |
| Samuel S. Gordon pgs. 199-200 +1 other reference |
| Sloto (2024) | |
| Gordon - Min. Penn. (1922) |
| Samuel S. Gordon +1 other reference |
| Gordon (1922) |
| Samuel S. Gordon +1 other reference |
| Gordon (1922) | |
| Samuel S. Gordon +1 other reference | |
| Benge and Wherry | |
| Gordon (1922) |
| Gilbert George |
| Gilbert George | |
| Fisher et al. (1927) |
| Kieron (2003) |
| Michael W. Kieron coll. |
| |
| |
| Miller (1971) | |
| Miller (1971) +1 other reference | |
| - (2005) |
| Watson (1910) |
| Thomas Leonard Watson (1909) |
| Watson (1910) |
| Watson (1910) | |
| Prince et al. (2004) | |
| Watson (1910) | |
| Watson (1910) |
| Watson (1910) | |
| Watson (1910) |
| Watson (1910) |
| Watson (1910) | |
| Watson (1910) |
| Watson (1910) |
| Watson (1910) |
| Watson (1910) | |
| Watson (1910) | |
| Cazeau et al. (1963) | |
| Watson (1910) | |
| Watson (1910) |
| Watson (1910) |
| Prince et al. (2004) | |
| Watson (1910) | |
| Watson (1910) | |
| Watson (1910) |
| Watson (1910) |
| Watson (1910) |
| - (2005) |
| - (2005) | |
| - (2005) | |
| - (2005) | |
| - (2005) | |
| Smith et al. (2000) |
| - (2005) | |
| - (2005) | |
| Page +1 other reference |
| Paris (2011) |
| Rocks & Minerals Vol. 86 |
| Paris (2011) |
| Olsen et al. (1977) |
| Barnes et al. (1947) |
| Meteoritics (ISSN 0026-1114) |
| Sainsbury (1962) |
| Matthias Rhinelander |
| Bullock (1981) |
| Bullock (1981) |
| - (2005) |
| Bullock (1981) |
| Buchwald (1975) |
| Bullock (1981) |
| Dale (1909) |
| [var: Oligoclase-Albite] Dale (1909) | |
| Wolff (1929) |
| Rocks & Min 71:330 |
| Dale (1909) |
| Dale (1909) | |
| Dale (1909) | |
| [var: Oligoclase-Albite] Dale (1909) | |
| Dale (1909) | |
| [var: Oligoclase-Albite] Dale (1909) | |
| Dale (1909) | |
| [var: Oligoclase-Albite] Dale (1923) |
| Rocks & Min. Vol. 71 (1996) |
| Bray and Emery | |
| Rocks & Min. Vol. 71 (1996) |
| Dietrich (1990) |
| - (2005) | |
| Pegau (1932) | |
| Bulletin 33. +1 other reference | |
| - (2005) |
| Rocks & Min.: 60:165. |
| - (2005) |
| - (2005) | |
| - (2005) | |
| - (2005) |
| - (2005) |
| Dietrich (1990) |
| Dietrich (1990) |
| - (2005) |
| Meteoritics |
| Banks et al. (1969) |
| Aldrich et al. (1965) | |
| R.R. Loucks (1980) |
| [var: Oligoclase-Albite] Loucks (1976) | |
Vietnam | |
| Dumańska-Słowik et al. (2023) |
Yemen | |
| Manasse (1908) +3 other references |
| Beydoun et al. (1969) | |
| Gass et al. (1968) +1 other reference |
| Grolier et al. (1978) +1 other reference |
Zambia | |
| Brems et al. (2009) |
| MacIntyre (2019) |
Zimbabwe | |
| Rijks et al. (1972) |
| Sminia et al. (2006) |
| www.venuewest.com/8IKC/s1post.htm. |
Horse Hill locality, Norway, Oxford County, Maine, USA