Genthelvite-Helvine Series

Helvine

Navegadora claim, Penha do Norte, Conselheiro Pena, Minas Gerais, Brazil

Genthelvite, etc.

El Criollo Mine, Cerro Blanco pegmatite district, Tanti, San Roque District, Punilla Department, Córdoba Province, Argentina

Genthelvite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Helvine

Navegadora claim, Penha do Norte, Conselheiro Pena, Minas Gerais, Brazil

Genthelvite, etc.

El Criollo Mine, Cerro Blanco pegmatite district, Tanti, San Roque District, Punilla Department, Córdoba Province, Argentina

Genthelvite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Helvine

Navegadora claim, Penha do Norte, Conselheiro Pena, Minas Gerais, Brazil

Genthelvite, etc.

El Criollo Mine, Cerro Blanco pegmatite district, Tanti, San Roque District, Punilla Department, Córdoba Province, Argentina

About Genthelvite-Helvine SeriesHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0010952	Helvine	Kudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-312		1985	Schwarzenberg, Saxony	1.4	293
0010953	Helvine	Kudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-312		1985	Schwarzenberg, Saxony	2.7	293
0010954	Helvine	Kudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-312		1985	Schwarzenberg, Saxony	3.6	293
0010955	Helvine	Kudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-312		1985	Schwarzenberg, Saxony	4	293
0010956	Helvine	Kudoh Y, Takeuchi Y (1985) The effect of pressure on helvite Mn8S2[Be6Si6O24] Zeitschrift fur Kristallographie 173 305-312		1985	Schwarzenberg, Saxony	4.5	293
0000974	Helvine	Hassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-192		1985		0	293
0000973	Helvine	Hassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-192		1985		0	293
0000970	Genthelvite	Hassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-192		1985		0	293
0000969	Genthelvite	Hassan I, Grundy H D (1985) The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2 American Mineralogist 70 186-192		1985		0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Helvine' loop_ _publ_author_name 'Kudoh Y' 'Takeuchi Y' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 173 _journal_year 1985 _journal_page_first 305 _journal_page_last 312 _publ_section_title ; The effect of pressure on helvite Mn8S2[Be6Si6O24] Sample: P = 14 kbar ; _database_code_amcsd 0010952 _chemical_compound_source 'Schwarzenberg, Saxony' _chemical_formula_sum 'Mn4 Be3 Si3 O12 S' _cell_length_a 8.261 _cell_length_b 8.261 _cell_length_c 8.261 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 563.765 _exptl_crystal_density_diffrn 3.270 _symmetry_space_group_name_H-M 'P -4 3 n' loop_ _space_group_symop_operation_xyz 'x,y,z' '-z,x,-y' '-y,z,-x' '-x,y,-z' '1/2+x,1/2-z,1/2-y' '1/2+z,1/2-y,1/2-x' '1/2+y,1/2-x,1/2-z' '1/2+x,1/2+z,1/2+y' '1/2+z,1/2+y,1/2+x' '1/2+y,1/2+x,1/2+z' '-z,-x,y' '-y,-z,x' '-x,-y,z' 'z,-x,-y' 'y,-z,-x' 'x,-y,-z' '1/2-x,1/2+z,1/2-y' '1/2-z,1/2+y,1/2-x' '1/2-y,1/2+x,1/2-z' '1/2-x,1/2-z,1/2+y' '1/2-z,1/2-y,1/2+x' '1/2-y,1/2-x,1/2+z' 'z,x,y' 'y,z,x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Mn 0.16800 0.16800 0.16800 0.00038 Be 0.50000 0.00000 0.25000 0.12159 Si 0.00000 0.50000 0.25000 0.00051 O 0.14140 0.14000 0.41510 0.00481 S 0.50000 0.50000 0.50000 0.09182

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Localities for Genthelvite-Helvine SeriesHide

Showing 400 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.

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.

Argentina
Córdoba Province Punilla Department Dolores District Capilla del Monte Cerro Uritorco ⓘ Casa la Plata deposit	[Helvine] William T. Holser: Beryllium minerals ...
ⓘ Sierras Chicas (Sierra Chica)	[Helvine] Rimann (1928)
San Antonio District ⓘ Pampa de Olaen	[Helvine] Sureda et al. (2010)
ⓘ Chingolo Mine	[Helvine] King (n.d.)
San Roque District Tanti ⓘ Cerro Blanco pegmatite district	[Genthelvite] Dina (1993)
ⓘ El Criollo Mine	[Genthelvite] Cerny et al. (2003) +1 other reference
Jujuy Province Humahuaca Department El Aguilar ⓘ Aguilar Mine	[Helvine] Brodtkorb (2002)
Australia
Tasmania Burnie City Hampshire mining district Kara Mines ⓘ Kara No. 1 Pit	[Helvine] Bottrill et al. (2008)
West Coast municipality Mt Lindsay mineral field ⓘ Mt Lindsay mine (Parsons Hood)	[Helvine] Bottrill et al. (2008)
Rosebery district Rosebery ⓘ Rosebery Mine	[Helvine] Zaw et al. (1997)
Western Australia Coolgardie Shire Coolgardie Hampton group ⓘ Barbara Mine	[Helvine] Grguric et al. (2009)
Port Hedland Shire Abydos Station Wodgina ⓘ Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[Helvine] Simpson (1928)
Mugarinya Community ⓘ Mount Francisco	[Helvine] Simpson (1928) +1 other reference
ⓘ Congo	[Helvine] Jacobson et al. (2007)
Yalgoo Shire Noongal Station ⓘ Nevill's beryl vein pegmatite (Nevill's Find)	[Helvine] Jacobson et al. (2007) +2 other references
Austria
Lower Austria Horn District Gars am Kamp Maiersch ⓘ Doppelbachgraben (Tobelbachgraben)	[Helvine] Neumayer (1980) +1 other reference
Krems-Land District Gföhl Felling Zwettler Leiten Pegmatite occurrences ⓘ Pegmatite II	[Helvine] Erwin Löffler
Weinzierl am Walde Maigen ⓘ Tannenfeld (Tannfeld)	[Helvine] KNOBLOCH (2012) +1 other reference
Waidhofen an der Thaya District Pfaffenschlag bei Waidhofen Artolz ⓘ Poschacher Quarry	[Helvine] Kolitsch (2017)
Styria Bruck-Mürzzuschlag District Sankt Barbara im Mürztal Veitsch Kleinveitsch Kaiblinggraben ⓘ Friedlkogel (Friedelkogel; Heinzlkogel)	[Helvine] Gerald Gesselbauer (06.2010)
ⓘ Kaskogel (Kaskögerl)	[Helvine] Postl et al. (1998)
Tyrol Schwaz District Finkenberg Schrammacher ⓘ Oberschrammach glacier	[Helvine] Orlandi et al. (2005)
Brazil
Amazonas Presidente Figueiredo ⓘ Pitinga mine	[Genthelvite] Ronchi et al. (2019) +1 other reference
ⓘ Madeira pluton	[Genthelvite, Helvine] Bastos Neto et al. (2009) +3 other references
Goiás Teresina de Goiás ⓘ Sucuri massif	[Genthelvite, Helvine] Miranda (2018)
ⓘ Tratex quarry	[Genthelvite] Raimbault (1993)
ⓘ Vaca Velha claim	[Helvine] Martin Slama collection +1 other reference
Minas Gerais Conselheiro Pena Penha do Norte ⓘ Navegadora claim	[Helvine] Moore (2004) +1 other reference
ⓘ Diamantina	[Helvine] Martin Slama collection
Paraíba Vieirópolis Vieirópolis pegmatite field ⓘ Serra Branca amazonite pegmatite	[Helvine] e Souza et al. (2016, July) +1 other reference
Rio Grande do Norte ⓘ Equador	[Helvine] Martin Slama collection
Bulgaria
Kyustendil Province ⓘ Osogovo Mountains	[Helvine] www.mgu.bg (2021)
Smolyan Province Madan Municipality ⓘ Krushev dol Mine	[Helvine] Berylium mineralisation in Pb-Zn ore ... +1 other reference
Canada
New Brunswick York Co. Stanley Parish ⓘ Burnt Hill mine	[Helvine] NB Mineral Occurrence Database Ref. 45 +1 other reference
Northwest Territories Mackenzie Mountains Tungsten (Cantung) ⓘ Little Nahanni Pegmatite Group	[Helvine] Groat et al. (2003)
Nova Scotia Victoria Co. ⓘ McMillan Brook	[Helvine] Chatterjee (1977)
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Genthelvite, Helvine] Grice (1989) +2 other references
China
Anhui Wuhu ⓘ Fanchang County	[Helvine] Martin Slama collection
Fujian Ningde Xiapu Co. ⓘ Dawan Mo-Be deposit	[Genthelvite, Helvine] Zhang et al. (2023)
Zhangzhou Yunxiao Co. ⓘ Shuijingping	[Helvine] Liu (2006)
ⓘ Tongbei	[Helvine] Liu (2006)
ⓘ Wushan Spessartine Mine	[Helvine] www.smartminerals.com (n.d.)
Zhangpu Co. Shiliu ⓘ Yunling	[Helvine] Liu (2006)
Gansu Jiuquan Subei Co. ⓘ Hongjianbingshan W deposit	[Helvine] Fengjun Nie et al. (2004)
Guangdong Heyuan Longchuan Co. (Lungchuan Co.) ⓘ Jinlong Hill	[Helvine] Tron (2003) +1 other reference
Shaoguan Wengyuan Co. ⓘ Hongling Mine	[Helvine] Xiaofei Wang et al. (2010)
Heilongjiang Qiqihaer ⓘ Unnamed rare-metal deposit	[Genthelvite] Xiaoshi Ding et al. (1981)
Hubei Huangshi Daye Co. ⓘ Fengjiashan Mine	[Helvine] www.smartminerals.com (2004)
Hunan Chenzhou Linwu Co. Xianghualing Sn-polymetallic ore field ⓘ Xianghualing Mine	[Helvine] Huang et al. (1988)
ⓘ Xianghuapu Mine ?	[Helvine] Yuzhou Li (1990)
Suxian District Dongpo ore field ⓘ Yejiwei Sn-polymetallic deposit (Yejiwo Sn-polymetallic deposit)	[Helvine] Bingtao Li (1993)
Yizhang Co. Dongpo ore field ⓘ Shizhuyuan Mine	[Helvine] Shimou Chen et al. (1981) +2 other references
Yaogangxian W-Sn ore field ⓘ Jiepailing Mine	[Helvine] Du et al. (2025)
ⓘ Yaogangxian Mine	[Helvine] Ottens et al. (2005) +1 other reference
Inner Mongolia Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) ⓘ Huanggang Fe-Sn deposit	[Genthelvite] Ottens (2011) +1 other reference
ⓘ No. 1 Mine	[Helvine] Ottens et al. (2012)
ⓘ No. 5 Mine	[Helvine] Ottens et al. (2012)
ⓘ Shijiangshan mine (Dashishan mine)	[Helvine] Martin Slama collection
Tongliao City (Tongliao Prefecture) Jarud Banner (Zalute Co.) ⓘ Baerzhe complex	[Genthelvite] Qiu et al. (2019) +1 other reference
ⓘ Intrusion No. 801	[Genthelvite, Helvine] Zhongxin Yuan and Ge Bai (1997)
ⓘ East ore body	[Genthelvite] Zhang +4 other references
Xilingol League (Xilinguole Prefecture) East Ujimqin Banner (Dongwuzhumuqin Co.; Dongwu Qi) ⓘ Chaobuleng deposit (Zhaobuleng Mine)	[Helvine] Jiang Bin specimen
Jiangxi Ganzhou Anyuan Co. ⓘ Qidushan Be-Pb-Zn deposit	[Helvine] Yunhuai Lin and Shiyang Chen (1985)
Chongyi Co. ⓘ Baoshan Mine	[Helvine] Yunhuai Lin and Shiyang Chen (1985)
Dayu Co. Xihuashan ore field ⓘ Piaotang Mine	[Helvine] Ottens (2009)
ⓘ Xihuashan Mine	[Helvine] Giuliani et al. (1988)
Quannan Co. ⓘ Dajishan Mine (Tachishan Mine)	[Helvine] Raimbault (1993)
Yunnan Honghe Gejiu City Gejiu Sn-polymetallic ore field ⓘ Malage ore field	[Genthelvite] Baogui Zhang et al. (2002)
Wenshan Maguan County Dulong ore field ⓘ Dulong Sn-Zn deposit	[Helvine] Shiyu Liu et al. (2022)
Malipo County ⓘ Maka W-Pb-Zn deposit	[Helvine] DU et al. (2014)
Zhejiang Wenzhou Ouhai District Qingtian Intrusion ⓘ Shawan Be deposit	[Helvine] Wang et al. (2023)
Czech Republic
Karlovy Vary Region Karlovy Vary District Boží Dar Zlatý Kopec ⓘ Zlatý Kopec skarn deposit	[Helvine] Jan Vlk
Pardubice Region Pardubice District ⓘ Chvaletice	[Helvine] Novák
Finland
Kymenlaakso Kotka ⓘ Kymi genthelvite greisen	[Genthelvite] Haapala
Satakunta ⓘ Eurajoki	[Genthelvite] Haapala Ilmari 1977 Petrography and ... +1 other reference
ⓘ Rapakivi granite occurrence	[Genthelvite] Al-Ani
Väkkärä ⓘ Genthelvite bearing greisens	[Genthelvite] Haapala et al. (1972)
Finland/Russia
Wyborg batholith ⓘ Kymi intrusion	[Genthelvite] Al-Ani et al. (2018)
ⓘ W-Sn-Be occurrence	[Genthelvite] Haapala et al. (2005)
France
Occitanie Hautes-Pyrénées Bagnères-de-Bigorre ⓘ Loudervielle	[Helvine] Ragu (1994)
Vielle-Aure ⓘ Coustou Mine	[Helvine] Ragu (1994) +2 other references
Pyrénées-Orientales Céret Prats-de-Mollo-la-Preste ⓘ Costabonne mines (Costabona mines)	[Helvine] Dubru. M (1986) +1 other reference
Germany
Bavaria Lower Bavaria Passau District Tittling Tittling Hötzendorf ⓘ Granodiorite quarries (incl. Kusser Quarry)	[Helvine] Weiß (1990)
ⓘ Kerber Quarry	[Helvine] Neschen (n.d.)
Saxony Erzgebirgskreis Breitenbrunn Antonsthal ⓘ Unverhofft Glück an der Achte Mine	[Helvine] Tröger (2006)
Breitenbrunn ⓘ Brüder Lorenz Mine	[Helvine] J.C. Freiesleben (1817) +1 other reference
ⓘ Fortuna Mine	[Helvine] Gerstenberg (n.d.)
ⓘ St. Richard Mine	[Helvine] J.C. Freiesleben (1817) +1 other reference
Grünhain-Beierfeld Beierfeld ⓘ Gelbe Birke Mine	[Helvine] Schlegel (1991)
ⓘ Johanngeorgenstadt	[Helvine] Wittern (2001)
ⓘ Schwarzenberg mining district	[Helvine] Dunn (1976)
Görlitz District ⓘ Königshain	[Helvine] www.minmax.net
Vierkirchen Döbschütz ⓘ Arnsdorf-Melaune Quarry	[Genthelvite] Witzke et al. (2014)
Thuringia Saale-Orla District Wurzbach Weitisberga ⓘ Henneberg Quarry	[Helvine] Martin Slama collection
Greenland
Kujalleq Igaliku Complex ⓘ Motzfeldt Centre	[Genthelvite] Finch (1990)
ⓘ SM6 unit	[Genthelvite] Finch (1990)
ⓘ Ilímaussaq complex	[Genthelvite, Helvine] Petersen (2001)
ⓘ Mount Nakkaalaaq	[Genthelvite, Helvine] Bohse et al. (2001)
ⓘ Taseq Slope	[Helvine] Tony Peterson photo and collection
India
Madhya Pradesh Jhabua District ⓘ Kajlidongri Mine	[Helvine] Lahiri (1972)
Italy
Campania Metropolitan City of Naples Ercolano San Vito ⓘ San Vito Quarry	[Helvine] Campostrini et al. (2014)
Lazio Viterbo Province ⓘ Capranica	[Helvine] Bellatreccia et al. (1997) +1 other reference
ⓘ Campo Padella	[Helvine] Della Ventura et al. (1999) +1 other reference
ⓘ Vetralla	[Helvine]
ⓘ Villa San Giovanni in Tuscia	[Helvine] Carlini
Viterbo ⓘ Le Carcarelle	[Helvine] Carlini et al. (2017)
Lombardy Brescia Province Niardo ⓘ Stabio Valley	[Helvine] Cerea et al. (2019)
Sondrio Province Chiesa in Valmalenco Muretto Valley ⓘ Muretto Pass	[Helvine]
Novate Mezzola ⓘ Codera Valley	[Helvine] - (n.d.)
ⓘ Canina Valley	[Helvine] Ghizzoni et al. (2005)
ⓘ Orco Valley	[Helvine] Ghizzoni et al. (2005)
ⓘ Punta Trubinasca	[Helvine] Ghizzoni et al. (2005)
Piedmont Verbano-Cusio-Ossola Province Beura-Cardezza ⓘ Beura quarries	[Helvine] Vanini F. (2000)
Trentino-Alto Adige/Südtirol South Tyrol Wipptal (Alta Vall'Isarco) Pfitsch (Val di Vizze) Sankt Jakob (San Giacomo) ⓘ Vizze Pass (Pfitsch Pass; Pfitscher Joch)	[Genthelvite] Folie et al. (2004) +1 other reference
ⓘ Rinnerlahner	[Genthelvite] Folie et al. (2004) +2 other references
Tuscany Grosseto Province Pitigliano ⓘ Case Collina	[Helvine] in Coll. M. Slama
Livorno Province Campo nell'Elba San Piero in Campo ⓘ La Speranza (Pisani's Quarry)	[Helvine] Barsotti et al. (2006)
ⓘ Rosina vein (Rosina pegmatite)	[Helvine] F. Pezzotta (1994) +1 other reference
Japan
Fukushima Prefecture Iwaki City ⓘ Gozaisho Mine	[Helvine] MATSUBARA et al. (1996)
Gifu Prefecture ⓘ Kamigaito mine	[Helvine] Endo (2008)
Gunma Prefecture Kiryu City ⓘ Mogurazawa mine	[Helvine] Matsubara Satoshi et al. (1980)
Ibaraki Prefecture Kasama City Iwama ⓘ Nagasawa deposit	[Helvine] Haruna et al. (2002)
Iwate Prefecture Kamaishi City ⓘ Hongo mine (Hongou mine)	[Helvine] - (n.d.)
Kyoto Prefecture Kameoka City ⓘ Hirono	[Genthelvite] Tsuruta et al. (2005)
Nagano Prefecture Matsumoto City ⓘ Yagisawa mine	[Helvine] Yoshinaga (1959)
Shiga Prefecture Hikone City ⓘ Ou'hori mine (Obori mine; Ohorimangan mine)	[Helvine] - (n.d.)
Tochigi Prefecture Kanuma City ⓘ Kaso Mine	[Helvine] Akira Kato (undated manuscript)
Kusagyu ⓘ Oashi mine (Ou'ashi mine)	[Helvine] - (n.d.) +1 other reference
Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) ⓘ Verkhnee Espe Massif (Verkhnee Espe deposit)	[Helvine] Stepanov et al. (2012)
Jambyl Region Moiynkum District ⓘ Kara-Oba W deposit	[Helvine] Evseev (1995)
Karaganda Region Balkhash Kounrad Massif ⓘ East Kounrad Mo-W deposit	[Helvine] Chen Xuanhua et al. (2010)
Karkaraly ⓘ Kent Massif	[Genthelvite, Helvine] Evseev (1995) +1 other reference
Kyrgyzstan
Chuy Region Kemin District Aq-Tyuz ore Field ⓘ Kalesay (Kalisai) deposit	[Genthelvite] MALYUKOVA (2014)
Issyk-Kul Region Inyl'chek Range Muzeinyi Valley ⓘ Rhodonite occurrence	[Helvine] L.A. Pautov data
Malawi
Southern Region Zomba ⓘ Mount Malosa	[Genthelvite, Helvine] Guastoni et al. (2004)
Malaysia
Selangor ⓘ Hock Aun mine	[Helvine] Moh et al. (1982)
Mexico
Chihuahua Aquiles Serdán Municipality Santa Eulalia Mining District West Camp Francisco Portillo ⓘ Potosí Mine	[Helvine] Panczner (1987)
Mongolia
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	[Genthelvite] Pavel M. Kartashov (n.d.)
ⓘ Khalzan Buregte Zr–Nb–REE deposit (Khalzan Buregtei deposit)	[Genthelvite] Kovalenko et al. (1995)
Mount Ulyn Khuren ⓘ Tat'yana pegmatite	[Genthelvite] Kartashov P.M. et al. (Mongolian Altai)
ⓘ Tsakhirin Khuduk Y-Zr-Nb deposit	[Genthelvite] Econ Geol (1995) +1 other reference
Morocco
Marrakesh-Safi Region Al Haouz Province Amizmiz Cercle Guedmioua Caïdat Azgour ⓘ Azegour Mine	[Helvine] Maya Gold and Silver
Namibia
Otjozondjupa Region Otavi Constituency Kombat ⓘ Kombat Mine	[Helvine] Dunn (1991)
Niger
Agadez Tchirozerine ⓘ Taghouaji Complex	[Genthelvite] consequences. Bulletin de la Société géologique de France (6) +4 other references
ⓘ Tarraouadji Massif	[Genthelvite] Woolley (2001)
Nigeria
Plateau Jos Plateau ⓘ Kigom	[Genthelvite] Kamaunji et al. (2026)
Younger ring complex ⓘ Jos-Bukuru	[Genthelvite] Knorring et al. (1959)
Norway
Akershus Bærum (Baerum) ⓘ Isi Prospect	[Helvine] Goldschmidt (1911)
Lunner ⓘ Gjerdingselva	[Genthelvite, Helvine] Raade (2005) +1 other reference
Grua mining district ⓘ Nyseter Zinc Mines	[Helvine] Oftedal et al. (1963)
Buskerud Drammen ⓘ E 134 Road	[Helvine] Nordli et al. (1997) +1 other reference
Lier Lierskogen ⓘ Kjenner Bismuth Mine	[Helvine] Oftedal et al. (1963)
Sylling ⓘ Hørtekollen	[Helvine] Goldschmidt (1911)
Modum Åmot ⓘ Glomsrudkollen Zinc Mines	[Helvine] Oftedal et al. (1963)
Øvre Eiker Gunhildrud ⓘ Bakstevalåsen	[Genthelvite, Helvine] Jahren et al. (1998)
ⓘ Rundemyr	[Genthelvite, Helvine] Neumann (1985) +1 other reference
Innlandet Gran ⓘ Skreihaugen	[Helvine] Wiik (2007)
Nordland Hamarøy ⓘ Hellemobotn	[Genthelvite] Husdal (2021)
Meløy Holandsfjorden ⓘ Ågskardet LCT Pegmatite	[Helvine]
Rana Høgtuva ⓘ Bordvedåga	[Genthelvite] Grauch et al. (1994)
Oslo Grorud Bånkall ⓘ Kristiansen Quarry (Bånkall Quarry)	[Helvine] Oftedal et al. (1963) +1 other reference
ⓘ Oslo Volcanic Province	[Helvine] Raade (1972)
Telemark Drangedal Tørdal ⓘ Heftetjern pegmatite	[Helvine] Raade et al. (1999) +3 other references
Porsgrunn Auenlandet Sagåsen ⓘ Saga 1 Quarry	[Helvine] Larsen (1988) +1 other reference
ⓘ Sagåsen Quarry	[Helvine] Larsen et al. (2005)
Bassebu ⓘ Eikevegåsen Quarry	[Helvine] Larsen (2018) +1 other reference
Bjørkedalen ⓘ Buer	[Helvine] Engvoldsen et al. (1991)
ⓘ Kjølsrød	[Helvine] - (n.d.)
ⓘ Bjørkøya	[Helvine] Larsen et al. (2010)
ⓘ Ferry Quay ?	[Helvine] Berge (n.d.)
ⓘ Hestholmen	[Helvine] Larsen et al. (2010)
Langangen ⓘ Kokkersvold - Blåfjell E18 roadcuts	[Helvine] Am Min 68:5-6 pp 628-633 +1 other reference
ⓘ Blåfjell (E18 roadcuts)	[Helvine] Larsen (1988)
ⓘ Chiavennite dike	[Helvine] Raade et al. (1983)
ⓘ Kokkersvold	[Helvine] Larsen (1988)
Risøya ⓘ Risøya South 2 ?	[Helvine] Berge (n.d.)
ⓘ Rønningen E 18 roadcuts	[Helvine] Larsen (1988) +1 other reference
ⓘ Sandøya	[Genthelvite, Helvine] Larsen (1988)
Siktesøya ⓘ Brønnebukta	[Helvine] Larsen et al. (2010)
ⓘ Tangane	[Helvine] Larsen (1988)
Slevolden ⓘ E18 roadcuts	[Helvine] Larsen et al. (2010)
Siljan Holtesletta ⓘ Industrivegen	[Helvine] Larsen (2021)
Skien Fossum Iron Mines ⓘ Breigangen Mine	[Helvine] Larsen (1988) +1 other reference
ⓘ Ramsåskollen	[Helvine] Larsen (1993) +1 other reference
Vestfold Færder ⓘ Sandø	[Helvine] Ivy Wilson collection 1989
Holmestrand Sande Rien ⓘ Rien Mine	[Helvine] Oftedal et al. (1963)
Larvik Commune ⓘ Arøyskjærene (Arøy skerries)	[Helvine] Brøgger (1890)
Barkevik area ⓘ Kjeøya	[Helvine] - (n.d.)
Brunlanes ⓘ Thorstein Quarry	[Helvine] - (n.d.)
Hedrum Lågendalen ⓘ Bratthagen 1	[Genthelvite] Oftedal et al. (1963) +1 other reference
ⓘ Hedrum Quarry	[Helvine] Andersen (1993)
ⓘ Låven	[Genthelvite] Larsen et al. (2010)
ⓘ Lille Arøya	[Genthelvite, Helvine] Larsen (1988)
Malerød ⓘ Midtfjellet Quarry	[Helvine] Peter Andresen collection
ⓘ Vardåsen Quarry	[Helvine] Berge (1993) +1 other reference
Stokkøya ⓘ Zircon prospect	[Genthelvite, Helvine] Larsen (1988)
Tjølling Håkestad ⓘ Håkestad Quarry	[Helvine] Larsen (1988) +1 other reference
Klåstad ⓘ Klåstad Quarry	[Helvine] Larsen et al. (2010)
ⓘ Skallist Quarry	[Helvine] Larsen et al. (2015)
Stålaker ⓘ Stålaker Quarry	[Helvine] Hansen (1981)
Tvedalen ⓘ Almenningen Quarry (Treschow-Fritzøe Quarry)	[Helvine] Larsen (1988) +1 other reference
ⓘ Arent Quarry	[Helvine] Knut Edvard Larsen collection # MM-6065
ⓘ Hauane Quarry (Walter Rimstad Quarry)	[Helvine] Personally collected by Peter Andresen ...
ⓘ Heia Quarry	[Helvine] Engvoldsen et al. (1991)
ⓘ Johs Nilsens Quarry	[Helvine] Peter Andresen collection
ⓘ Østskogen Quarry	[Helvine] Arne Åsheim collection 2006 +2 other references
ⓘ Saga Pearl Quarry	[Helvine] Larsen et al. (2010)
ⓘ Tuften	[Helvine] Larsen et al. (2010)
ⓘ A/S Granit Quarry	[Helvine] Andresen (2013) +1 other reference
ⓘ Vevja 2 Quarry	[Helvine] Frode Andersen collection/observation ...
ⓘ Vevja 3 Quarry	[Helvine] Knut Edvard larsen collection (MM-2580)
ⓘ Vevja East Quarry	[Helvine] Martin Sky Strand pers. com to Knut ... +1 other reference
ⓘ Vevja Quarry	[Helvine] Kamphaug (1987) +1 other reference
Tveidalsveien ⓘ Åros	[Helvine] Larsen et al. (2010)
Sandefjord ⓘ Fokserød	[Helvine] Larsen et al. (2010)
ⓘ Aasmund Berg Quarries	[Helvine] Engvoldsen et al. (1991)
Østerøya ⓘ Bergan	[Helvine] Berge (n.d.)
Yxney ⓘ Truberodden Southeast	[Helvine] Berge (n.d.)
Vesterøya ⓘ Husebyåsen prospect	[Helvine] Berge et al. (2002) +1 other reference
ⓘ Kariåsen	[Helvine] Larsen et al. (2010)
Tønsberg Ramnes ⓘ Himberg Quarry	[Helvine] Andersen et al. (1994)
Pakistan
Gilgit-Baltistan Astore District ⓘ Drot Valley	[Helvine] - (2004)
ⓘ Bulochi	[Helvine] Blauwet et al. (2004)
Shigar District ⓘ Shigar Valley	[Genthelvite] Herb Obodda collection +1 other reference
ⓘ Skardu Area	[Genthelvite] imported from Shigar District +1 other reference
Khyber Pakhtunkhwa Province Peshawar District Hameed Abad Kafoor Dheri ⓘ Zagi Mountain	[Genthelvite] Martin Slama collection +2 other references
Peru
Ancash Bolognesi Province Aquia District ⓘ Pachapaqui mining district	[Helvine] - (1997) +2 other references
Huallanca District Huanzala ⓘ Huanzala Mine	[Helvine] King (n.d.)
Poland
Lower Silesian Voivodeship Dzierżoniów County Piława Górna DSS Piława Górna Quarry ⓘ Julianna pegmatite	[Genthelvite] Pieczka et al. (2018)
ⓘ Lithium pegmatite	[Helvine] Pieczka et al. (2012)
Świdnica County ⓘ Gmina Strzegom	[Helvine] Feldspat et al. (2006)
ⓘ Żółkiewka	[Helvine] Martens (1965)
Portugal
Guarda Almeida Malpartida e Vale de Coelha Malpartida ⓘ Portugal 1 & 2 quarries	[Helvine] Felix Garcia Garcia Mineral Collection
Vila Real Ribeira de Pena Cerva e Limões ⓘ Monte de Entre-Portelas Mine (S. João Mine; Adoria Mine)	[Helvine] Nuno Afonso collection (XRD-analysed)
Viseu Vila Nova de Paiva Queiriga Lagares do Estanho Mines ⓘ Rebentão Mine	[Helvine] Pierre Rosseel collection
Romania
Maramureș County Cavnic ⓘ Roata Mine	[Helvine] Szakáll: Minerals of Carpathian Reg.
Suceava County Ciocănești Ciocănești ⓘ Oița Mn deposit	[Helvine] Munteanu (1993) +1 other reference
Iacobeni ⓘ Arșița mine	[Genthelvite] minerals-of-the-carpathians.eu (2008)
Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit	[Genthelvite] Hîrtopanu (1997) +1 other reference
Russia
Buryatia Kizhinginsky District ⓘ Ermakovskoe Be Deposit	[Helvine] Damdinova et al. (2018)
Chelyabinsk Oblast Argayashsky District ⓘ Pit No. 400	[Helvine] Pekov (1998)
Ilmen Mountains ⓘ Pit No. 63 (Helvine pit)	[Helvine] Kolesnichenko
Magadan Oblast Omsukchansky District Ducat ore field ⓘ Ducat Mine (Dukat Mine)	[Helvine] Filimonova et al. (2006)
Murmansk Oblast Lovozersky District Keivy Mountains Western Keivy Massif ⓘ Serpovidnyi Ridge	[Genthelvite] Voloshin et al. (2007)
ⓘ Vein No. 1	[Genthelvite] Voloshin et al. (2007)
ⓘ West Keivy Block	[Genthelvite] Pavel M. Kartashov (n.d.)
ⓘ Rovgora Mountain (Rov-gora)	[Genthelvite] Luntz et al. (1972)
ⓘ Selsurt Mountain	[Genthelvite] [World of Stones 95:5-6
ⓘ Primorsky Krai	[Helvine] Kazachenko et al. (2006)
Republic of Karelia Pitkyarantsky District Kitelya ⓘ Kitelskoe Sn-Zn deposit	[Helvine] V.A. Gorelov (1997)
ⓘ Pitkyaranta mining district	[Genthelvite, Helvine] Ivashchenko et al. (2006)
ⓘ Lupikko Mine	[Helvine] P.Kartashov data +2 other references
ⓘ Sakha	[Genthelvite] [World of Stones 12:49]
Tuva Erzinsky District ⓘ Tastyg Spodumene deposit	[Helvine] USGS Open File Report 2005-1252 p87 +1 other reference
Sangilen Upland ⓘ Korgeredaba alkaline massif	[Genthelvite] Kapustin et al. (1965)
Zabaykalsky Krai Shilkinsky District ⓘ Zavitinskoe Be-Li Deposit	[Helvine] Pavel M. Kartashov (n.d.)
Slovakia
Banská Bystrica Region Žarnovica District Hodruša-Hámre Hodruša-Hámre mines ⓘ Rozália Mine	[Helvine] Martin Števko-unpublished +1 other reference
South Africa
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality Pilanesberg Alkaline Ring Complex ⓘ Pilanesberg Mountain	[Helvine] Cairncross et al. (1995)
Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Granadilla de Abona ⓘ La Mareta	[Helvine] Dill et al. (2023)
ⓘ Playa de Enramada	[Helvine] Dill et al. (2023)
Community of Madrid ⓘ Bustarviejo	[Helvine] Garcia-Guinea et al. (2005)
ⓘ Cadalso de los Vidrios	[Helvine] Garcia G. et al. (2004)
ⓘ Veneros claim	[Helvine] Sainz de Baranda Graf et al. (2026)
La Cabrera ⓘ La Cabrera pluton	[Helvine] Tánago et al. (2012)
Sweden
Örebro County Lindesberg Nyberget ⓘ Nyberget ore field	[Helvine]
ⓘ Lill Mine	[Helvine]
ⓘ Mangruvan	[Helvine] Gatedal (2003)
Ljusnarsberg Yxsjö ore field ⓘ Yxsjöberg Mine	[Helvine] Hällström et al. (2024)
Stockholm County Haninge Utö ⓘ Utö Mines	[Helvine] Langhof et al. (1998)
ⓘ Nyköpingsgruvan	[Helvine] Nysten (1996)
Nynäshamn ⓘ Stora Vika	[Helvine] Gustafsson et al. (1991) +1 other reference
Värmland County Filipstad ⓘ Gåsborn	[Helvine] Damman et al. (1992)
Långban Ore District ⓘ Långban Mine	[Helvine] Gatedal (n.d.) +1 other reference
Persberg ore district Pajsberg ⓘ Harstigen Mine	[Helvine] Gustafsson et al. (2003) +1 other reference
Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Val Forno ⓘ Monte del Forno	[Helvine] Stalder et al. (1998)
ⓘ Pizzi dei Rossi	[Helvine] Stalder et al. (1998)
Valais Östlich Raron Grengiols Chummibort ⓘ Ritterpass NE-combe REE-mineralization	[Genthelvite] Cuchet et al. (2014)
ⓘ Ritterpass NW-combe REE-mineralization	[Genthelvite] Cuchet et al. (2014)
Tajikistan
Gorno-Badakhshan Murghob ⓘ Dorozhniy pegmatite	[Helvine] Leonid Pautov and Mirak Mirakov ...
UK
England Cornwall Altarnun ⓘ Treburland Manganese Mine (Treburland manganese deposits)	[Genthelvite] Kingsbury (1961) +2 other references
Lanivet ⓘ Bodmin Wheal Mary (Bodmin Consols; Bodmin United)	[Helvine] Kingsbury (1961) +2 other references
ⓘ Wheal Betsy	[Helvine] [Specimen in the Natural History Museum +3 other references
St Just Botallack Botallack Mine ⓘ Wheal Cock	[Helvine] Kingsbury (1961)
Trewellard ⓘ Levant Mine ?	[Helvine] Golley et al. (1995)
Devon West Devon Okehampton Hamlets ⓘ Meldon Mine	[Helvine] Kingsbury (1961) +2 other references
Scotland Highland Fort William and Ardnamurchan ⓘ Coire an Lochain	[Genthelvite] [Specimen in the Natural History Museum +4 other references
Ukraine
Zhytomyr Oblast Korosten Raion ⓘ Perzhanskoe ore field (Perga Be deposit)	[Genthelvite, Helvine] Nechaev et al. (ores of titanium, uranium, rare metals and gold) +3 other references
USA
Alaska Nome Census Area Port Clarence Mining District Lost River Valley ⓘ Unnamed Prospect (ARDF - TE042; on Tin Creek; tributary to Lost River)	[Helvine] - (2008)
Arizona Cochise County Middle Pass Mining District Cochise Stronghold ⓘ Abril Mine (Dos Hermanos Mine; Herrera Mine)	[Helvine] Warner et al. (1959) +2 other references
Gordon Camp ⓘ San Juan Mine (San Juan group; Gordon Mine; Mann adit; Sulphide adit; Silver adit)	[Helvine] Trischka et al. (1929) +3 other references
ⓘ Unnamed Cu-Ag prospect	[Helvine] Luetcke (n.d.)
ⓘ S.J. Jordan Mine	[Helvine] Anthony et al. (1995)
Arkansas ⓘ Pulaski County	[Helvine] Howard (1987)
Little Rock ⓘ Granite Mountain area	[Helvine] Barwood (1989)
ⓘ Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)	[Helvine] Henry Barwood - unpublished (2010)
California San Diego County Jacumba Tule Mountain (Mount Tule; Tulley Mountain) ⓘ Pack Rat Mine	[Helvine] Fisher (2002)
Pala Mining District Pala Hiriart Mountain Vanderberg-Katerina pegmatites ⓘ Katerina Mine	[Helvine] Jahns et al. (1951)
ⓘ Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)	[Helvine] Jahns et al. (1951)
ⓘ Gem Star Mine	[Helvine] Jahns et al. (1951) +3 other references
Rincon Mining District Rincon Rincon Mountain ⓘ Clark Mine	[Helvine] Murdoch (1946) +4 other references
Colorado Chaffee County ⓘ Mount Antero	[Helvine] www.coloradomineralsociety.org (2016)
Dolores County Rico Mountains Rico Mining District (Pioneer Mining District) Silver Creek ⓘ Rico Argentine Mine	[Helvine] - (2005)
El Paso County Cheyenne Mining District (St. Peters Dome Mining District) ⓘ St Peters Dome	[Genthelvite] Pearl (1958) +1 other reference
ⓘ Unnamed pegmatite	[Genthelvite] Eckel et al. (1997)
ⓘ West Cheyenne Canyon	[Genthelvite] Eckel et al. (1997)
Crystal Park ⓘ Crystal Park area	[Genthelvite] Eckel et al. (1997)
ⓘ Stove Mountain (Cookstove Mountain)	[Genthelvite] Eckel et al. (1997)
ⓘ NE Spur	[Genthelvite] Eckel et al. (1997)
Gunnison County Quartz Creek Pegmatite Mining District ⓘ Brown Derby Ridge (Ventura claim)	[Helvine] Meeves et al. (1966)
Park County Alma Mining District Mount Bross Detroit City Claim Block ⓘ Sweet Home Mine	[Helvine] Min News 20:9 pp1
San Juan County Eureka Mining District Gladstone Bonita Peak ⓘ Sunnyside Mine group	[Helvine] Burbank (1933) +1 other reference
ⓘ American Tunnel Mine	[Helvine] Martin Slama collection
Teller County Crystal Peak ⓘ Smoky Hawk claim	[Genthelvite] Dorris (2011) +1 other reference
ⓘ Lucky Monday pocket	[Genthelvite] Dorris (2013)
Connecticut Fairfield County Stratford ⓘ Lord Chamberlain Nursing and Rehabilitation Center (7003 Main Street; 7003 State Route 110)	[Helvine] Henderson et al. (circa 1970) +1 other reference
Middlesex County East Hampton ⓘ Anderson No. 1 Mica Mine	[Helvine] Schooner (circa 1990)
Idaho Boise County ⓘ Ardeth Lake	[Helvine] W.C. van Laer: the Sawtooth batholith
ⓘ Benedict Creek area (Devil's Den)	[Helvine] WC van Laer
ⓘ Glens Peak	[Helvine] Wm. C. van Laer.
Elmore County Glens Peak area ⓘ Glens Peak prospects	[Helvine] WC van Laer
ⓘ Sawtooth Batholith	[Helvine] Rocks & Min. 70:246 +3 other references
Massachusetts Essex County ⓘ Rockport	[Genthelvite] Dunn (1976)
Montana Silver Bow County Butte Mining District (Summit Valley Mining District) ⓘ Niagara Mine	[Helvine] - (2005)
Walkerville ⓘ Alice Mine	[Helvine] Rocks & Min.: 16: 244. +1 other reference
ⓘ Goldsmith Mine	[Helvine] Rocks & Min.: 16: 244
ⓘ Lexington Mine	[Helvine] Rocks & Min.: 16: 244. +2 other references
ⓘ Magna Charta Mine	[Helvine] - (2005)
ⓘ Moulton Mine	[Helvine] Rocks & Min.: 16: 244. +1 other reference
Nevada Clark County ⓘ Eldorado Mountains	[Helvine] Castor et al. (2004)
ⓘ Newberry Mountains	[Helvine] Castor et al. (2004)
New Hampshire Carroll County Albany Blue Mountain ⓘ Moose pocket	[Genthelvite] Smith (2005)
Bartlett ⓘ Iron Mountain	[Helvine] Art Smith (2001)
ⓘ Iron Mountain Mines	[Genthelvite, Helvine] Rocks&Min. 76:256 +1 other reference
Hale's Location ⓘ Middle Moat Mountain locality	[Helvine] Smith (2005) +1 other reference
Madison ⓘ Madison Lead Mine	[Helvine] Rocks & Min 80:245
Grafton County Bethlehem ⓘ North Sugarloaf Mountain locality	[Genthelvite, Helvine] Rocks & Minerals Vol.65 No.4 +2 other references
New Jersey Sussex County Franklin ⓘ Franklin Mine	[Genthelvite] Cianciulli (2005)
ⓘ Buckwheat pit	[Genthelvite] Essene et al. (1987) +1 other reference
ⓘ Trotter Mine	[Genthelvite] www.franklinmineralmuseum.com
Ogdensburg Sterling Hill ⓘ Passaic pit (Marshall Mine; Passaic Mine)	[Genthelvite] John Cianciulli +2 other references
New Mexico Grant County Bound Ranch Mining District ⓘ Grandview Prospect	[Helvine] U.S. Geological Survey staff (1965)
ⓘ Carpenter Mining District	[Helvine] Northrop et al. (1996)
Grand View Camp ⓘ Grand View Mine	[Helvine] Weissenborn (1948) +3 other references
Luna County Victorio Mountains ⓘ Victorio District (Gage District)	[Helvine] NMBGMR Open-file Report OF-459 +3 other references
ⓘ Gulf Oil Victorio Project	[Helvine] Walstrom (n.d.)
ⓘ Irish Rose Mine (Morlock-Eloi Mine)	[Helvine] Northrop et al. (1996)
Mine Hill ⓘ Gulf Minerals prospect	[Helvine] NMBGMR Open-file Report OF-459
ⓘ Ogre-Bogle group of claims (Tedford's group; Ogre-Bogle claim)	[Helvine] USGS Map I-1310-B Mineral Deposit Map ... +1 other reference
ⓘ Tungsten Hill shaft	[Helvine] DeMark (1989) +1 other reference
Victorio group ⓘ Vic 10 claim	[Helvine] Walstrom (n.d.)
ⓘ Vic 26 claim	[Helvine] Walstrom (n.d.)
ⓘ Vic 31 claim	[Helvine] Robert E. Wastrom Collection
Sierra County ⓘ Iron Mountain No. 2 District	[Helvine] USGS Bull 945C +2 other references
Discovery Gulch ⓘ Hot Spot claim	[Helvine] USGS Bull 945C +1 other reference
ⓘ Old Adit body	[Helvine] USGS Bull 945C +1 other reference
ⓘ Jackpot No. 2 body	[Helvine] Jahns et al. (1944)
ⓘ Scheelemite mine	[Helvine] USGS Bull 945C
Socorro County ⓘ Iron Mountain No. 2 District	[Helvine] - (2005)
ⓘ Beryllium Queen	[Helvine] USGS Bull 945C
North Carolina Cleveland County Kings Mountain ⓘ Foote Lithium Co. Mine	[Helvine] Hanahan (1985)
Rhode Island Providence County ⓘ Cumberland	[Genthelvite] personal identification
ⓘ Grants Mills	[Genthelvite] Miller (1971) +1 other reference
ⓘ Housing development in Staples Road	[Genthelvite] personal identification by Fred ...
ⓘ Staples Road	[Genthelvite] Dunn (1976)
Texas Hudspeth County Quitman Mountains ⓘ Granite Hill prospect	[Helvine] Smith (1991)
Utah ⓘ Beaver County	[Helvine] AmMin 47:395
Granite Mining District ⓘ Miller Mine	[Helvine] Bullock (1981)
Star Range Star-North Star Mining District ⓘ Moscow Mine	[Helvine] Dunn (1976)
Piute County Mount Baldy-Ohio Mining District ⓘ Deer Trail Mine	[Helvine] Thorne (n.d.)
Virginia Amelia County Amelia (Amelia Court House) ⓘ Rutherford Mines	[Helvine] Rocks & Min.: 60: 165. +4 other references
Winterham ⓘ Morefield Mine (Morefield pegmatite)	[Helvine] Rocks & Min.: 8:143-144.
Amherst County ⓘ Bunker Hill pegmatite	[Helvine] Dietrich (1990)
Hanover County ⓘ Gouldin	[Helvine] Dietrich (1990)
Washington Okanogan County Golden Horn Batholith ⓘ Washington Pass	[Genthelvite] Saul Krotki field trip. Species verified +1 other reference
Wisconsin Florence County Fern Pine River pegmatites ⓘ Animikie Red Ace pegmatite	[Helvine] Falster et al. (1996)
Zambia
Central Province Chibombo District ⓘ Star zinc mine	[Genthelvite] Boni et al. (2011)
Lusaka Province Chilanga District ⓘ Excelsior prospect	[Genthelvite] Boni et al. (2011)
Zimbabwe
Mashonaland East Goromonzi District ⓘ Casa Ventura pegmatite	[Helvine] Mineralogical Magazine 1959 32 : 87-89