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Axinite-(Fe)

A valid IMA mineral species - grandfathered
This page kindly sponsored by Matthäus Parshchikov
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About Axinite-(Fe)Hide

Formula:
Ca2Fe2+Al2BSi4O15OH
Colour:
Brown, clove-brown, plum blue, pearl gray
Lustre:
Vitreous
Hardness:
6½ - 7
Specific Gravity:
3.25 - 3.28
Crystal System:
Triclinic
Member of:
Name:
Originally named Espéce de Schorl by Johann Gottfried Schreiber in 1781. Named Schorl violet and Schorl transparent lenticulaire by Romé de L'Isle in 1785. Named Thumerstein by Abraham Gottlob Werner in 1788, later spelled Thumite. Named Yanolite by Jean Claude de la Métherie in 1792. Named Glasschörl by Blumenberg in 1799 (also glasstein). Named axinit in 1797 by Rene Just Haüy from the Greek αξίνα ("axina") for "axe", in allusion to the common habit of its crystals. Renamed ferroaxinite by Waldemar T. Schaller in 1909 for iron dominance in the formula. Renamed with suffix "-(Fe)" by IMA in 2007.

Unique IdentifiersHide

Mindat ID:
1459
Long-form identifier:
mindat:1:1:1459:1

Similar NamesHide

AxinitA synonym of 'Axinite'
AxiniteA synonym of Axinite Group
Axinite-(Fe)-Axinite-(Mn) SeriesA solid-solution series between two end-member minerals
Axinite-(Mg)A valid IMA mineral speciesCa2MgAl2BSi4O15OH
Axinite-(Mn)A valid IMA mineral species - grandfatheredCa2Mn2+Al2BSi4O15(OH)
Axinite-(Mn)-Tinzenite SeriesA solid-solution series between two end-member minerals

IMA Classification of Axinite-(Fe)Hide

Approved, 'Grandfathered' (first described prior to 1959)
IMA status notes:
Renamed by the IMA
IMA Formula:
Ca4Fe2+2Al4[B2Si8O30](OH)2
Approval history:
Renamed by the CNMNC IMA in 2007 from ferro-axinite to Axinite-(Fe) (IMA 07-C).

Classification of Axinite-(Fe)Hide

9.BD.20

9 : SILICATES (Germanates)
B : Sorosilicates
D : Si2O7 groups, with additional anions; cations in tetrahedral [4] and greater coordination
56.2.2.1

56 : SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
2 : Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
17.5.47

17 : Silicates Containing other Anions
5 : Borosilicates

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
Ax-FeIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
AxKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
AxSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
AxWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
The Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of Axinite-(Fe)Hide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of Axinite-(Fe)Hide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Brown, clove-brown, plum blue, pearl gray
Streak:
White
Hardness:
6½ - 7 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on {100}
Poor on {001} {110} {011}
Fracture:
Irregular/Uneven, Conchoidal
Density:
3.25 - 3.28 g/cm3 (Measured)    3.33 g/cm3 (Calculated)

Optical Data of Axinite-(Fe)Hide

Type:
Biaxial (-)
RI values:
nα = 1.672 - 1.693 nβ = 1.677 - 1.701 nγ = 1.681 - 1.704
2V:
Measured: 69° to 87°, Calculated: 62° to 82°
Max. Birefringence:
δ = 0.009 - 0.011
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
strong

Chemistry of Axinite-(Fe)Hide

Mindat Formula:
Ca2Fe2+Al2BSi4O15OH
Element Weights:
Element% weight
O44.902 %
Si19.705 %
Ca14.060 %
Fe9.795 %
Al9.465 %
B1.896 %
H0.177 %

Calculated from ideal end-member formula.
O
Si
Ca
Fe
Al
B
H

Crystallography of Axinite-(Fe)Hide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.1437(4) Å, b = 9.1898(6) Å, c = 8.9529(4) Å
α = 91.857(6)°, β = 98.188(5)°, γ = 77.349(4)°
Ratio:
a:b:c = 0.777 : 1 : 0.974
Unit Cell V:
567.63 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Flattened, axe head shaped, granular, massive

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006112Axinite-(Fe)Filip J, Kolitsch U, Novak M, Schneeweiss O (2006) The crystal structure of near-end-member ferroaxinite from an iron-contaminated pegmatite at Malesov, Czech Republic The Canadian Mineralogist 44 1159-11702006Malesov, Czech Republic0293
0000832Axinite-(Fe)Swinnea J S, Steinfink H, Rendon-DiazMiron L E, Enciso de la Vega S (1981) The crystal structure of a Mexican axinite American Mineralogist 66 428-43119810293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Loading XRD data...
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
6.3 Å(70)
5.87 Å(5
5.15 Å(5)
4.99 Å(10)
4.80 Å(20)
4.53 Å(30)
3.99 Å(20)
3.80 Å(30)
3.68 Å(60)
3.46 Å(80)
3.42 Å(5)
3.39 Å(5)
3.28 Å(60)
3.23 Å(5)
3.19 Å(5)
3.16 Å(90)
3.08 Å(40b)
3.02 Å(50)
2.998 Å(60)
2.968 Å(50)
2.931 Å(30)
2.874 Å(30)
2.839 Å(40)
2.812 Å(100)
2.792 Å(40)
2.760 Å(40)
2.667 Å(40)
2.643 Å(40b)
2.575 Å(50)
2.564 Å(60)
2.526 Å(30)
2.489 Å(20)
2.474 Å(20)
2.444 Å(50)
2.424 Å(50)
2.396 Å(10)
2.363 Å(50)
2.318 Å(5)
2.292 Å(10)
2.271 Å(30)
2.250 Å(30)
2.226 Å(10)
2.206 Å(30)
2.190 Å(60)
2.179 Å(20)
2.163 Å(70)
2.134 Å(30b)
2.060 Å(50)
2.040 Å(50)
2.014 Å(30b)
1.998 Å(30b)
1.989 Å(50)
1.973 Å(5)
1.955 Å(40)
1.926 Å(50)
1.895 Å(10b)
1.808 Å(20)
1.788 Å(40)
1.744 Å(10)
1.732 Å(30)
1.721 Å(30)
1.702 Å(20)
1.691 Å(10)
1.680 Å(10)
1.668 Å(40)
1.652 Å(40)
1.636 Å(50)
1.623 Å(30)
1.608 Å(20)
1.597 Å(30)
1.580 Å(40)
1.570 Å(20)
1.538 Å(30)
1.516 Å(20b)
1.495 Å(30)
1.478 Å(20)
1.460 Å(40b)
1.442 Å(10)
1.435 Å(10)
Comments:
ICDD 27-76, natural material Dauphine, France

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
High-? alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Geological Setting:
Low to high grade regionally metamorphosed rocks, contact metamorphic rocks, pegmatites.

Type Occurrence of Axinite-(Fe)Hide

Place of Conservation of Type Material:
Muséum Nationale d’Histoire Naturelle, Paris, France, 35.1881, H3383.

Synonyms of Axinite-(Fe)Hide

Other Language Names for Axinite-(Fe)Hide

Relationship of Axinite-(Fe) to other SpeciesHide

Member of:
Other Members of Axinite Group:
Axinite-(Mg)Ca2MgAl2BSi4O15OHTric. 1 : P1
Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1
TinzeniteCa2Mn2+4Al4[B2Si8O30](OH)2Tric. 1 : P1
Forms a series with:

Common AssociatesHide

Associations Based on Photo Data:
153 photos of Axinite-(Fe) associated with Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
150 photos of Axinite-(Fe) associated with QuartzSiO2
87 photos of Axinite-(Fe) associated with AlbiteNa(AlSi3O8)
68 photos of Axinite-(Fe) associated with Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
36 photos of Axinite-(Fe) associated with CalciteCaCO3
35 photos of Axinite-(Fe) associated with Chlorite Group
27 photos of Axinite-(Fe) associated with 'Smoky Quartz'SiO2
23 photos of Axinite-(Fe) associated with PrehniteCa2Al2Si3O10(OH)2
19 photos of Axinite-(Fe) associated with 'Adularia'KAlSi3O8
18 photos of Axinite-(Fe) associated with MicroclineK(AlSi3O8)

Related Minerals - Strunz-mindat GroupingHide

9.BD.05BertranditeBe4(Si2O7)(OH)2Orth. mm2 : Cmc21
9.BD.10HemimorphiteZn4Si2O7(OH)2 · H2OOrth. mm2 : Imm2
9.BD.15JunitoiteCaZn2Si2O7 · H2OOrth. mm2 : Aba2
9.BD.20TinzeniteCa2Mn2+4Al4[B2Si8O30](OH)2Tric. 1 : P1
9.BD.20DubińskaiteCa4Sc2Al4[Be2Si8O30](OH)2Tric. 1 : P1
9.BD.20Axinite-(Mg)Ca2MgAl2BSi4O15OHTric. 1 : P1
9.BD.20Axinite-(Mn)Ca2Mn2+Al2BSi4O15(OH)Tric. 1 : P1
9.BD.25VistepiteSnMn4B2Si4O16(OH)2Tric. 1 : P1
9.BD.30BoralsiliteAl16B6O30(Si2O7)Mon. 2/m : B2/m
9.BD.35Werdingite(Mg,Fe)2Al14Si4B4O37Tric. 1 : P1
9.BD.40VránaiteAl16B4Si4O38Mon. 2/m : B2/m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Axinite-(Fe)Hide

References for Axinite-(Fe)Hide

Reference List:

Localities for Axinite-(Fe)Hide

Showing 304 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
  • Queensland
    • Cairns Region
      • Snapper Island
    • Cloncurry Shire
      • Rosebud Station
        • Mary Kathleen district
Costas Constantinides collection
  • Tasmania
    • West Coast municipality
      • Rosebery district
        • Colebrook Hill
Dana 6:A2:11 +1 other reference
      • Zeehan mining district
Bottrill et al. (2008)
Ralph Bottrill collection
  • Victoria
    • Campaspe Shire
      • Corop
Henry et al. (2005)
    • Cardinia Shire
      • Tynong
    • City of Greater Shepparton
      • Dookie
        • Ascot Hills
Birch (1996)
Morvell (1976) +1 other reference
  • Western Australia
    • Leonora Shire
Sue Koepke collection via Jiri Just
Austria
 
  • Carinthia
    • Spittal an der Drau District
      • Spittal an der Drau
        • Lieser ravine
Heritsch (1933)
Niedermayr et al. (1995)
    • Wolfsberg District
      • Frantschach-Sankt Gertraud
        • Brandrücken
Niedermayr et al. (1995)
        • Fraßgraben
Niedermayr et al. (1995)
Niedermayr et al. (1995)
      • Sankt Andrä
        • Kienberg
Kolitsch (2018)
  • Lower Austria
    • Krems-Land District
      • Rossatz-Arnsdorf
        • Oberarnsdorf
C.Auer (2021)
      • Weinzierl am Walde
Uwe Kolitsch (original find by Stefan Voigt; analysed specimen in coll. Erwin Löffler)
    • Melk District
      • Persenbeug-Gottsdorf
        • Loja
Löffler et al. (2011)
    • Waidhofen an der Thaya District
      • Raabs an der Thaya
        • Eibenstein an der Thaya
Kolitsch et al. (2015)
  • Salzburg
    • Zell am See District
      • Maishofen
        • Kirchham
Strasser (1989)
      • Uttendorf
Strasser (1989)
  • Vorarlberg
    • Bludenz District
      • Sankt Gallenkirch
Kolitsch (2014)
Canada
 
  • Northwest Territories
Ercit et al. (2003)
      • O'Grady Batholith
CanRockhound v.3
  • Ontario
    • Cochrane District
      • Timmins
    • Hastings County
      • Marmora Township
J. Greiner
    • Timiskaming District
      • Cobalt-Gowganda region
        • Cobalt area
          • Coleman Township
Reiner Mieklke
  • Yukon
    • Mayo mining district
      • Hart River
personal collection (MHFM)
Chile
 
  • Coquimbo
Dana 6:529.
China
 
  • Guangxi
    • Hechi
dan weinrich
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
Möhn et al. (05/2021)
  • Xinjiang
    • Hami Prefecture (Kumul Prefecture; Qumul Prefecture)
      • Yizhou District
        • Yamansu
Sun +3 other references
  • Yunnan
    • Honghe
      • Gejiu City
Yixiong Qian (1990)
          • Malage ore field
Xu Jinsha et al. (2019)
Czech Republic
 
  • Central Bohemian Region
    • Kolín District
      • Libodřice
Pauliš +3 other references
    • Kutná Hora District
      • Malešov
Filip et al. (2006)
Kadlec T.: Nové minerály ve ...
        • Moldanubian Zone pegmatites
          • Magdalena deposit
Novák et al. (2013) +1 other reference
    • Prague-West District
Jakub Jirásek
  • South Moravian Region
    • Blansko District
Novák et al. (2002)
    • Brno-Country District
Houzar
    • Znojmo District
      • Rešice
Filip et al. (2002)
  • Vysočina Region
    • Havlíčkův Brod District
      • Golčův Jeníkov
Dolníček Z et al. (2020)
    • Žďár nad Sázavou District
Finland
 
  • Kanta-Häme
    • Jokioinen
Finnish Museum of Natural History
France
 
  • Auvergne-Rhône-Alpes
    • Isère
      • Grenoble
Boutry Collection
        • La Garde
Thierry Brunsperger collection
        • Le Bourg-d'Oisans
Matteo Chineletto specimen
Haüy (1796) +1 other reference
    • Savoie
      • Albertville
        • La Léchère
DE ASCENCAO GUEDES R. (2004)
      • Saint-Jean-de-Maurienne
        • Saint-Colomban-des-Villards
Thierry Brunsperger collection
Germany
 
  • Lower Saxony
    • Goslar District
      • Bad Harzburg
        • Radau valley
Wittern (2001)
      • Harz (Landkreis Goslar)
Baumgärtl (2014)
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Winterberg
          • Silbach
Jahn et al. (2002)
  • Saxony-Anhalt
    • Harz
      • Thale
various added photos
Thomas Luehr collection
  • Saxony
    • Erzgebirgskreis
      • Breitenbrunn
        • Breitenbrunn
Hans-Jürgen Haas collection
...
    • Vogtlandkreis
      • Limbach
Tröger (2012)
Hungary
 
  • Borsod-Abaúj-Zemplén County
    • Miskolc District
      • Kisgyőr
      • Miskolc
        • Lillafüred
          • Újmassa
Balassa et al. (2023) +1 other reference
Ozdín D. +1 other reference
Iran
 
  • Hormozgan Province
    • Qeshm County
Italy
 
  • Aosta Valley
Piccoli et al. (2007)
    • Courmayeur
Piccoli et al. (2007)
King (n.d.)
Piccoli et al. (2007)
    • Nus
      • Saint-Barthélemy
Piccoli et al. (2007)
    • Valtournenche
Piccoli et al. (2007)
  • Calabria
    • Cosenza Province
      • Longobucco
Croze (1989)
  • Lombardy
    • Bergamo Province
      • Carona
Natale Calanchi (1980)
    • Sondrio Province
Edoardo Mazzola specimen
      • Madesimo
Bedogné et al. (1995)
Bedognè et al. (2001) +1 other reference
  • Piedmont
    • Biella Province
      • Campiglia Cervo
Piccoli et al. (2007)
Piccoli et al. (2007)
        • San Paolo Cervo
Martini et al. (2012)
Martini et al. (2012)
    • Cuneo Province
      • Entracque
Olimpo (1981) +3 other references
    • Metropolitan City of Turin
Piccoli et al. (2007)
      • Perrero
Piccoli et al. (2007)
    • Novara Province
      • Pella
Piccoli et al. (2007)
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
Grill (1935)
Pezzotta et al. (1999)
      • Beura-Cardezza
Piccoli et al. (2007)
      • Trontano
Piccoli et al. (2007)
      • Valstrona
        • Forno
Savia et al. (2023)
    • Vercelli Province
Piccoli et al. (2007)
      • Cravagliana
Piccoli et al. (2007)
  • Sardinia
    • Sassari Province
      • La Maddalena
        • La Maddalena Island
Billows (1941)
      • Sant'Antonio di Gallura
Gamboni et al. (1998)
  • Tuscany
    • Livorno Province
      • Portoferraio
Smyth W. (1841) +4 other references
Japan
 
  • Fukuoka Prefecture
    • Moji
Ozaki (1970)
  • Iwate Prefecture
    • Kamaishi City
Nishikubo collection +1 other reference
Etsuo Uchida (1986) +1 other reference
    • Oshu City
      • Esashi ward
- (n.d.)
  • Kagoshima Prefecture
    • Suzuyama mining district
- (n.d.)
  • Miyazaki Prefecture
    • Nishiusuki District
      • Takachiho
Al McGuiness specimen +1 other reference
  • Oita Prefecture
    • Bungo-Ono City
Petrov (n.d.)
  • Saitama Prefecture
    • Chichibu City
      • Ohtaki-mura
        • Nakatsugawa
- (n.d.)
  • Shizuoka Prefecture
Sameshima +1 other reference
    • Shizuoka City
      • Aoi Ward
        • Kuchisakamoto
Majima collection
Mexico
 
  • Baja California
    • Ensenada Municipality
Panzcer (1987)
Panzcer (1987)
Panczner (1987)
Panzcer (1987)
USGS Bulletin 1930 +1 other reference
Panczner (1987)
Panzcer
  • Chihuahua
    • Santa Barbara Municipality
Peter Megaw collection
Morocco
 
  • Rabat-Salé-Kénitra Region
    • Khémisset Province
      • Khémisset Cercle
        • Ait Mimoune Caïdat
          • El Hammam
Econ Geol (1989)
Namibia
 
  • Erongo Region
    • Arandis Constituency
Dana 7:I:578.
    • Omaruru Constituency
Jahn et al. (2006) +1 other reference
New Zealand
 
  • Canterbury Region
    • Selwyn District
      • Coalgate
Railton et al. (1990)
    • Timaru District
      • Timaru
Pringle et al. (1980) +1 other reference
    • Waimate District
Railton et al. (1990)
  • Marlborough Region
    • Wakamarina Goldfield (Canvastown)
Skinner et al. (1999)
  • Otago Region
    • Central Otago District
Railton et al. (1990)
      • Ranfurly
Railton et al. (1990)
  • West Coast Region
    • Westland District
      • Westland Tai Poutini National Park
Railton et al. (1990)
Mason (1959) +1 other reference
Norway
 
  • Agder
    • Arendal
      • Øyestad
        • Klodeborg Mines
          • Kjenlie Mines
Nordrum et al. (2005)
  • Buskerud
    • Drammen
      • Mjøndalen
Nordrum et al. (2005)
    • Kongsberg
Nordrum et al. (2005)
Nordrum et al. (2005)
      • Knutehovet Mining Field
Berg (1990)
      • Overberget Mining Field
Münster (1882) +1 other reference
Bancroft et al. (2001)
      • Underberget Mining Field
Bancroft et al. (2001)
Garmo et al. (2017)
  • Innlandet
    • Lom
Larsen (2018)
  • Møre og Romsdal
    • Fjord
      • Norddal
Nordrum et al. (2005)
    • Molde
Nordrum et al. (2005)
  • Nordland
    • Beiarn
      • Gråtådalen
Nordrum et al. (2005)
    • Dønna
Nordrum et al. (2005)
  • Rogaland
Nordrum et al. (2005)
  • Telemark
    • Porsgrunn
      • Mule
Larsen et al. (2021)
  • Troms og Finnmark
    • Kvæfjord
      • Kveøya
Nordrum et al. (2005)
    • Kvænangen
Nordrum et al. (2005)
    • Tjeldsund
      • Skånland
        • Grovfjord
Nordrum et al. (2005)
  • Trøndelag
    • Heim
      • Hemne
Nordrum et al. (2005)
    • Malvik
Nordrum et al. (2005)
    • Oppdal
Witsø (1995)
      • Vinstradalen
Witsø (2005) +1 other reference
    • Orkland
      • Meldal
Carstens (1965) +1 other reference
        • Grefstodfjellet
Jørgensen et al. (2001)
        • Løkken Verk
Jørgensen et al. (2001)
Jørgensen et al. (2001) +1 other reference
        • Prestbuvatnet
Nordrum et al. (2005)
  • Vestland
    • Bjørnafjorden
      • Fusa
Nordrum et al. (2005)
Nordrum et al. (2005)
- (n.d.)
    • Kinn
      • Vågsøy
Garmo (1998) +1 other reference
    • Samnanger
Nordrum et al. (2005)
    • Sunnfjord
Nordrum et al. (2005)
    • Ullensvang
Nordrum et al. (2005)
Nordrum et al. (2005)
    • Ulvik
      • Bruravik
Nordrum et al. (2005)
    • Vaksdal
Selbekk (1990) +2 other references
Pakistan
 
  • Balochistan
    • Kharan District
      • Char Kohan
King (n.d.)
  • Gilgit-Baltistan
    • Ghanche District
Specimen obtained from Dudley Blauwet ...
    • Roundu District
      • Haramosh Mountains
Dudley Blauwet +2 other references
    • Shigar District
      • Braldu Valley
transferred from "Dassu
      • Shigar Valley
Minerals +2 other references
King (n.d.)
imported from Shigar District +2 other references
  • Khyber Pakhtunkhwa Province
    • Mohmand District
Vincent Bourgoin
Peru
 
  • Huancavelica
    • Huaytará Province
      • Huaytará District
        • Huaytará
Hyrsl et al. (2003) +1 other reference
  • Ica
Specimen in my collection purchased ...
    • Ica Province
      • Yauca del Rosario District
Teodocio Ramos specimens +1 other reference
  • Lima
    • Huaura Province
      • Sayán District
        • Sayán
Hyrsl (2013)
Poland
 
  • Lower Silesian Voivodeship
    • Świdnica County
      • Gmina Dobromierz
Michell (1941)
Körber et al. (2005)
        • Strzegom
Gadomski M.
Spirifer collection
        • Żółkiewka
Tomas Praszkier
  • Opole Voivodeship
    • Nysa County
      • Gmina Głuchołazy
Jęczmyk B. 1956: Aksynit z rejonu ... +1 other reference
Portugal
 
  • Bragança
    • Freixo de Espada à Cinta
      • Poiares
Gaspar et al. (2000) +1 other reference
Russia
 
  • Chelyabinsk Oblast
    • Kyshtym
      • Kyshtym quartz deposit
Local geolofist S.V.Kolesnichenko data
  • Khanty-Mansi Autonomous Okrug
    • Berezovo district
      • Saranpaul
Wilson et al. (2004)
  • Magadan Oblast
Политов В.К. (1983)
  • Murmansk Oblast
    • Pechengsky District
Pavel M. Kartashov (n.d.)
  • Primorsky Krai
    • Dalnegorsk Urban District
      • Dalnegorsk
        • Dal'negorsk B deposit
Pavel M. Kartashov (n.d.)
    • Kavalerovsky District
      • Karadubsky ore field
Gorelikova et al. (2008)
  • Republic of Karelia
    • Prionezhsky District
      • Zaonezhskoe kimberlite field
Putintseva et al. (2017)
  • Sakha
    • Aldan
Pavel M. Kartashov (n.d.)
Slovakia
 
  • Banská Bystrica Region
    • Brezno District
Koděra et al. (1986)
  • Bratislava Region
    • Pezinok District
      • Limbach
Vrána (1966) +1 other reference
      • Modra
Koděra et al. (1986)
  • Košice Region
    • Košice
      • Košice I
Ozdín D.
    • Rožňava District
Koděra et al. (1986)
      • Čučma
Ozdín D.
      • Gemerská Poloma
        • Pintiková
Ozdín D.
      • Rožňava
Ozdín D. et al. (in Slovak) +1 other reference
        • Sb deposit
Ozdín D.
    • Spišská Nová Ves District
      • Hnilčík
Píša (1957)
Števko M. et al. (2017)
  • Prešov Region
    • Prešov District
      • Vyšná Šebastová
Ďuďa
South Africa
 
  • Northern Cape
    • Namakwa District Municipality
Cairncross (2004)
        • Nababeep
          • Nababeep tungsten mines
Cairncross (2004)
Spain
 
  • Andalusia
    • Córdoba
      • Córdoba
Calvo Rebollar (2018)
    • Málaga
      • Antequera
Romero Silva (2003) +2 other references
  • Asturias
    • Piloña (Infiesto)
Calvo Rebollar (2018)
  • Basque Country
    • Biscay
      • Meñaka
Calvo Rebollar (2018)
  • Castile and Leon
    • Zamora
      • Fermoselle
Escuder Viruete (1995)
  • Catalonia
    • Lleida
      • Pallars Jussà
        • Tremp
          • Casterner de les Olles
58 (in German) +3 other references
  • Community of Madrid
    • Cabanillas de la Sierra
Calvo Rebollar (2018)
    • La Cabrera
Tánago et al. (2012)
  • Extremadura
    • Badajoz
      • Burguillos del Cerro
Sanabria et al. (2002)
  • Galicia
    • Pontevedra
      • Meis
Calvo Rebollar (2018)
Sweden
 
  • Örebro County
    • Askersund
Lorin et al. (2009)
    • Lekeberg
  • Stockholm County
    • Haninge
      • Utö
Otter (2004)
Switzerland
 
  • Glarus
    • Glarus Süd
      • Elm
Stalder et al. (1998)
  • Grisons
    • Engiadina Bassa/Val Müstair Region
      • Valsot
        • Tschlin (Schleins)
          • Piz Mundin (Piz Mondin)
Bertle (2004) +1 other reference
    • Surselva Region
      • Medel (Lucmagn)
        • Val Medel
          • Fuorns
Stalder et al. (1998)
Bracke (n.d.)
Stalder et al. (1998)
          • Val Cristallina
Stalder et al. (1998)
    • Viamala Region
      • Rheinwald
Stalder et al. (1998)
        • Splügen
Stalder et al. (1998)
Stalder et al. (1998)
  • Ticino
    • Leventina
      • Bedretto
        • Ossasco
          • Cristallina Valley
Stalder et al. (1998)
    • Vallemaggia
      • Cevio
        • Bavona Valley
          • Robièi (Alpe di Robièi; Lake Robièi area)
www.mineralien-ch.ch (n.d.)
            • Monte Basòdino northeast slope
Harjo Neutkens
      • Lavizzara
Stalder et al. (1998)
        • Sambuco Valley
          • Narèt area
Stalder et al. (1998)
  • Uri
    • Meien Valley
      • Susten pass
Stalder et al. (1998)
    • Unterschächen
Stalder et al. (1998)
  • Valais
    • Entremont
      • Sembrancher
        • Le Catogne
Stalder et al. (1998)
    • Leuk
      • Gampel-Bratsch
Stalder et al. (1998)
Stalder et al. (1998)
    • Visp
      • Zermatt
        • Gorner glacier area
          • Stockhorn
Bracke (n.d.)
Stalder et al. (1998)
    • Westlich Raron
      • Ferden
Bracke (n.d.)
Rüegg (2005)
Rüegg (2005)
UK
 
  • England
    • Cornwall
      • Camborne
Paul Oldfield collection
      • Lanivet
Rocks & Min.: 19:9.
      • St Just
        • Botallack
Hall (1868) +1 other reference
          • Cliff outcrops
Hall (1868)
Carne (1822) +2 other references
Couper et al. (1977)
        • Trewellard
Andrew Lawton Collection +1 other reference
    • Devon
      • Teignbridge
        • Ilsington
      • West Devon
        • Belstone
        • Okehampton Hamlets
McLintock (1923) +3 other references
Nawaz Chaudhry et al. (1969)
  • Wales
    • Conwy
      • Penmaenmawr
Sargent et al. (Part II)
    • Gwynedd
      • Nefyn
        • Porth Dinllaen
National Museum of Wales specimens
USA
 
  • California
    • Calaveras County
      • Garnet Hill
Cooper
Pohl et al. (1982)
      • West Belt
Pohl et al. (1982)
    • Marin County
Pemberton (1983) +2 other references
Pemberton (1983) +1 other reference
    • Mono County
      • Mount Baldwin
Frost et al. (2007)
    • Plumas County
      • Edmanton Mining District (Meadow Valley Mining District)
        • Meadow Valley
Hietanen et al. (1978) +2 other references
Observed on a specimen in the ...
      • Thompson Peak
Samples obtained from Bay Area Mineralogists (BAM)
    • Riverside County
      • Cahuilla Mining District
        • Little Cahuilla Mountain
Osborn et al. (discoverer/owner) +1 other reference
      • Jurupa Valley
        • Jurupa Mountains
Cooney (1956) +3 other references
San Diego Natural History Museum
      • Bonsall
        • Moosa Canyon
Schaller (1911) +3 other references
    • Sierra County
      • Poverty Hill Mining District
        • Poverty Hill (Poverty Hill lookout)
Hietanen et al. (1978) +2 other references
  • Connecticut
    • Fairfield County
      • Trumbull
        • Long Hill
Identified on site
    • Hartford County
      • Marlborough
Schooner (1958)
    • Litchfield County
      • Thomaston
Schooner (1961)
    • Middlesex County
      • Haddam
Yale Peabody Museum - Bill Henderson ... +1 other reference
  • Maine
    • Hancock County
      • Sorrento
Pitman
    • Oxford County
      • Greenwood
Thompson et al. (1998)
    • Sagadahoc County
      • Bath
Rocks & Min.: 16: 58.
  • Massachusetts
    • Middlesex County
      • Ashland
S Pavadore collection
  • Montana
    • Beaverhead County
      • Utopia Mining District (Birch Creek Mining District)
Gobla (2012)
    • Jefferson County
The Lapidary Journal (W.C. van Laer) +5 other references
WC van Laer
      • Elkhorn Mining District
William C. van Laer
C. von Laer +1 other reference
  • Nevada
    • Humboldt County
      • Osgood Mountains
        • Potosi Mining District
Castor et al. (2004)
    • Mineral County
      • Bell Mining District
Jensen (2011)
      • Fitting Mining District
Rocks & Minerals. Nov. 1999.
        • Luning
Castor et al. (2004)
  • New Jersey
    • Hunterdon County
      • Delaware Township
King (n.d.)
    • Sussex County
      • Franklin
        • Balls Hill Iron Mines
Palache (1935)
      • Sparta Township
Common knowledge among local ...
    • Warren County
      • Jenny Jump Mountain
        • Independence Township
Fred Schuster.
      • White Township
Warren Cummings
  • New York
    • Putnam County
      • Town of Southeast
Januzzi +2 other references
  • North Carolina
    • Cleveland County
      • Kings Mountain
Horton et al. (1981) +1 other reference
  • Pennsylvania
    • Chester County
      • Wallace Township
        • Cornog
Montgomery (Jun, 1966) +2 other references
    • Delaware County
      • Swarthmore (Borough of Swarthmore)
        • Woodlyn (Avondale)
Wherry (1915) +1 other reference
    • Montgomery County
      • Marlborough Township
        • Perkiomenville
Thomas (Nov, 1952) +3 other references
    • Northampton County
      • Hanover Township
Frazier (1882) +1 other reference
Frazier (1882) +1 other reference
  • Rhode Island
    • Providence County
      • Cranston
Miller (1971)
      • Cumberland
Michael W. Kieron collection
      • Johnston
      • Lincoln
        • Lime Rock
Harvard Mineralogical Museum collection
  • Vermont
    • Orleans & Lamoille Cos.
      • Lowell & Eden
Rocks & Minerals: 71 (3)
  • Virginia
    • Albemarle County
Dietrich (1990)
  • Washington
    • King County
      • Snoqualmie Mining District
Ream (1991) +1 other reference
    • Snohomish County
      • Sultan Mining District
        • Vesper Peak
Scott Williams collection +1 other reference
 
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