Commodity	Associated Localities	Total Localities	% Association (commodity)	% Association (Coltan (Columbite-Tantalite))
Beryllium	31	799	3.88% of all Beryllium deposits have Coltan (Columbite-Tantalite).	49.21% of all Coltan (Columbite-Tantalite) deposits have Beryllium.
Gemstones	14	1,606	0.87% of all Gemstones deposits have Coltan (Columbite-Tantalite).	22.22% of all Coltan (Columbite-Tantalite) deposits have Gemstones.
Rare Earths	11	754	1.46% of all Rare Earths deposits have Coltan (Columbite-Tantalite).	17.46% of all Coltan (Columbite-Tantalite) deposits have Rare Earths.
Feldspar	11	1,669	0.66% of all Feldspar deposits have Coltan (Columbite-Tantalite).	17.46% of all Coltan (Columbite-Tantalite) deposits have Feldspar.
Niobium (Columbium)	9	386	2.33% of all Niobium (Columbium) deposits have Coltan (Columbite-Tantalite).	14.29% of all Coltan (Columbite-Tantalite) deposits have Niobium (Columbium).
Tin	9	1,852	0.49% of all Tin deposits have Coltan (Columbite-Tantalite).	14.29% of all Coltan (Columbite-Tantalite) deposits have Tin.
Lithium	8	536	1.49% of all Lithium deposits have Coltan (Columbite-Tantalite).	12.70% of all Coltan (Columbite-Tantalite) deposits have Lithium.
Mineral specimens	8	870	0.92% of all Mineral specimens deposits have Coltan (Columbite-Tantalite).	12.70% of all Coltan (Columbite-Tantalite) deposits have Mineral specimens.

* in exploitable quantities, based on associations listed on mindat.org

Ores of Coltan (Columbite-Tantalite)Hide

Common ore minerals of Coltan (Columbite-Tantalite):

Columbite-(Fe)-Columbite-(Mn) Series	A petrological term for Columbite-(Fe)-Columbite-(Mn) Series.
Tantalite	(Mn,Fe)(Ta,Nb)₂O₆

Sub-types of Coltan (Columbite-Tantalite)Hide

Niobium (Columbium)
Tantalum	Tantalum and niobium are often found together.

Internet Links for Coltan (Columbite-Tantalite)Hide

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References for Coltan (Columbite-Tantalite)Hide

Reference List:

Deposits of Coltan (Columbite-Tantalite)Hide

Showing 821 deposits.

This map shows a selection of deposits that have latitude and longitude coordinates recorded. Click on the

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Locality ListHide

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Australia
New South Wales Gordon Co. Toongi Dubbo Zirconia Project	[commodity:Niobium (Columbium), commodity:Tantalum]
Western Australia Bridgetown-Greenbushes Shire Greenbushes Mine Enterprise Mine	[commodity:Tantalum]
Greenbushes Mine	[commodity:Tantalum]
Coolgardie Shire Nepean Londonderry Li deposit
Cue Shire Poona Goodwin Mine	[commodity:Tantalum]
White Lode	[commodity:Tantalum]
East Pilbara Shire Crean Carbonatite	[commodity:Niobium (Columbium)]
Pilgangoora Monster Mine	[commodity:Tantalum]
Pilgangoora 5	[commodity:Tantalum]
Pilgangoora 6	[commodity:Tantalum]
Pilgangoora Griffiths Mine	[commodity:Tantalum]
Port Hedland Shire Abydos Station Wodgina	[commodity:Tantalum]
Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[commodity:Tantalum]
Yilgarn shire Mount Holland pegmatite field Forrestania Rubellite pegmatite	[commodity:Tantalum]

Brazil
Amazonas Presidente Figueiredo Pitinga mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Madeira pluton	[commodity:Niobium (Columbium), commodity:Tantalum]
São Gabriel da Cachoeira Morro dos Seis Lagos	[commodity:Niobium (Columbium)]
Paraíba Frei Martinho Esperança pegmatite	[commodity:Tantalum]
Esperas pegmatite
Junco do Seridó Noruega pegmatite
Nova Palmeira Pendanga pegmatite	[commodity:Tantalum]
Pedra Lavrada Serra Branca pegmatite	[commodity:Tantalum]
Picuí Besouro pegmatite	[commodity:Tantalum]
Cruzeiro pegmatite	[commodity:Tantalum]
Rio Grande do Norte Bodó Lagoinha I pegmatite
Carnaúba dos Dantas Azevedo pegmatite	[commodity:Tantalum]
Maribondo pegmatite	[commodity:Tantalum]
Pelado pegmatite	[commodity:Tantalum]
Piauí	[commodity:Tantalum]
Salgadinho pegmatite
Equador Alto do Giz pegmatite	[commodity:Tantalum]
Bulandeira mine	[commodity:Tantalum]
Coleção pegmatite	[commodity:Tantalum]
Riacho da Vaca pegmatite
Parelhas Alto dos Quintos Mine
Aroeira pegmatite	[commodity:Tantalum]
Capoeira 2 pegmatite (Mulungu pegmatite)	[commodity:Tantalum]
Kombi I pegmatite	[commodity:Tantalum]
Malhada Vermelha pegmatite	[commodity:Tantalum]
Pagão pegmatite
Tibiri pegmatite	[commodity:Tantalum]

Burundi
Cibitoke Province N'Dora	[commodity:Niobium (Columbium), commodity:Tantalum]

Canada
British Columbia Golden Mining Division Ice River Alkaline Complex Moose Creek Valley pegmatite	[commodity:Niobium (Columbium)]
Kamloops Mining Division Blue River carbonatites Lempriere carbonatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Mill carbonatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Verity claim	[commodity:Niobium (Columbium), commodity:Tantalum]
Omineca Mining Division Mansoon Lakes Lonnie carbonatite	[commodity:Niobium (Columbium)]
Vergil carbonatite	[commodity:Niobium (Columbium)]
Williston Lake Aley Deposit (Aley Creek Carbonatite Complex)	[commodity:Niobium (Columbium)] Taseko
Manitoba Lac-du-Bonnet area Bernic Lake Tanco Mine	[commodity:Tantalum]
Cat Lake - Winnipeg River pegmatite field Huron Claim pegmatite	[commodity:Niobium (Columbium)]
Northwest Territories North Slave Region Blachford Lake alkaline complex Thor Lake syenite complex Nechalacho deposit	[commodity:Niobium (Columbium)]
Yellowknife Pegmatite field Moose II pegmatite (ELK; Beck; DeStaffany)	[commodity:Niobium (Columbium), commodity:Tantalum]
Peg Tantalum	[commodity:Tantalum]
Ontario Kenora District Pickle Lake area Lilypad Lakes Project	[commodity:Tantalum]
Separation Rapids Lithium Project (Separation Lake area)	[commodity:Tantalum] Avalon Advanced Materials Inc.
Québec Laurentides Deux-Montagnes RCM Oka complex	[commodity:Niobium (Columbium)]
Nord-du-Québec Jamésie Rose Li-Ta Project	[commodity:Tantalum] Critical Elements Corporation
Saguenay-Lac-Saint-Jean Le Fjord-du-Saguenay RCM Saint-Honoré Saint-Honoré carbonatite complex	[commodity:Niobium (Columbium)]
Strange Lake Alkalic Complex (Strange Lake Complex; Lac Brisson Complex)	[commodity:Niobium (Columbium)]

China
Anhui Lu'an Jinzhai County Yinsha Gaijing Mo-Nb deposit	[commodity:Niobium (Columbium)]
Fujian Longyan Yongding Co. Shangxiahu Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Nanping Yanping District Nanping pegmatite field Pegmatite No. 31	[commodity:Niobium (Columbium), commodity:Tantalum]
Gansu Jiuquan Aksai Co. Yushishan Nb–Ta ore deposit	[commodity:Niobium (Columbium)]
Guangdong Zhaoqing Gaoyao District Hengshan Nb-Ta-Sn deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Guangxi Guilin Gongcheng Co. Limu Ta-Sn ore field	[commodity:Niobium (Columbium), commodity:Tantalum]
Jinzhuyuan Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Laohutou Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Shizilian Mine	[commodity:Tantalum]
Shuiximiao Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Ziyuan Co. Miaoershan-Yuechengling ore field Yuechengling batholith Mao’antang Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Mao’antang ore block	[commodity:Niobium (Columbium), commodity:Tantalum]
Mao’antang pegmatite No.160	[commodity:Niobium (Columbium), commodity:Tantalum]
Mao’antang pegmatite No.701	[commodity:Niobium (Columbium), commodity:Tantalum]
Hebei Chengde Xinglong County Huashi rare metal deposit	[commodity:Niobium (Columbium)]
Henan Sanmenxia Lushi County Guanpo Guanpo pegmatite field Caijiagou pegmatites	[commodity:Niobium (Columbium), commodity:Tantalum]
Hubei Shiyan Zhuxi Co. Tianbao Nb(-REE) deposit	[commodity:Niobium (Columbium)]
Xianning Tongcheng Co. Duanfengshan Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Hunan Changsha Liuyang City Shangshi Nb deposit	[commodity:Niobium (Columbium)]
Chenzhou Guiyang Co. Dayishan Sn-polymetallic ore field Tianmuchong W-Sn deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Linwu Co. Xianghualing Sn-polymetallic ore field Jianfengling Nb-Ta-Sn deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xianghualing Mine	[commodity:Tantalum]
Hengyang Leiyang Co. Shangbao Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Mufushan granitic complex	[commodity:Niobium (Columbium), commodity:Tantalum]
Yueyang Pingjiang Co. Baishawo Be‐Nb‐Ta deposits	[commodity:Niobium (Columbium), commodity:Tantalum]
Chuanziyuan Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Hupei Mine (Qinjiafang Mine)	[commodity:Niobium (Columbium), commodity:Tantalum]
Renli Nb‐Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Inner Mongolia Baotou City Bayan Obo mining district Bayan Obo deposit	[commodity:Niobium (Columbium)]
H9 litho-unit	[commodity:Niobium (Columbium)]
Chifeng City (Ulanhad League; Chifeng Prefecture) Hexigten Banner (Keshiketeng Co.) Tailaihua Nb-Ta-Be deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Tongliao City (Tongliao Prefecture) Jarud Banner (Zalute Co.) Baerzhe complex	[commodity:Niobium (Columbium)]
Xilingol League (Xilinguole Prefecture) Bordered Yellow Banner (Xianghuang Co.) Jiabusi Ta-Nb deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xilinhot City (Xilinhaote Co.) Shihuiyao Rb-Nb-Ta-(Be-Li) deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Jiangxi Fuzhou Nancheng Co. Xixiang deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Toupo deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ganzhou Quannan Co. Dajishan Mine (Tachishan Mine)	[commodity:Niobium (Columbium), commodity:Tantalum]
Shicheng Co. Heyuan deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Yudu Co. Limen deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ji'an Suichuan Co. Xigang Ta-Nb deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Jiujiang Xiushui Co. Shouxingla deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Shangrao Hengfeng Co. Lingshan complex Huangshan Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Songshugang Nb-Ta-W-Sn deposit (Geyuan Nb-Ta-W-Sn deposit)	[commodity:Niobium (Columbium), commodity:Tantalum]
Shangrao Co. Xikeng deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Yichun Ganfang rare metal deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Yuanzhou District Yichun complex (Yashan batholith)	[commodity:Niobium (Columbium), commodity:Tantalum]
Yichun Mine (Mine No. 414)	[commodity:Niobium (Columbium), commodity:Tantalum]
Liaoning Dandong Fengcheng City Fluorsigaiite type locality	[commodity:Niobium (Columbium)]
Kuandian County Saima U-REE deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Qinghai Hainan Gonghe Co. Duolongge rare metal granitic pegmatite prospect	[commodity:Niobium (Columbium), commodity:Tantalum]
Shinaihai Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Haixi Mongol and Tibetan Autonomous Prefecture Delhi (Delingha Co.) Chahansen Nb occurrence	[commodity:Niobium (Columbium)]
Dulan County Dagelegouxi carbonatite-hosted REE-Nb deposit	[commodity:Niobium (Columbium)]
Hatuzhongyou REE deposit	[commodity:Niobium (Columbium)]
Mangnai City (Mangya Co.) Lenghu Co. Jiaolesayi pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Qaidam Basin (Chaidan Basin; Tsaidam Basin) Jinshuikou Li-polymetallic deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
ρ15 pegmatite vein	[commodity:Niobium (Columbium), commodity:Tantalum]
Tianjun County Shengge Nb occurrence	[commodity:Niobium (Columbium)]
Yematannan Nb occurrence	[commodity:Niobium (Columbium)]
Wulan Co. (Ulan Co.) Amuneige Nb deposit	[commodity:Niobium (Columbium)]
Chahannuo Nb occurrence	[commodity:Niobium (Columbium)]
Shaliuquan Nb-Ta deposit	[commodity:Tantalum]
Xiaerdawu Nb-REE occurrence	[commodity:Niobium (Columbium)]
Shaanxi Ankang Langao County Jinzhugang Nb occurrence	[commodity:Niobium (Columbium)]
Weinan Huayin City Huayangchuan U-Nb-Pb deposit	[commodity:Niobium (Columbium)]
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Sêrxü Co. (Shiqu Co.) Zhawulong deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Zhuawulong Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Yajiang County Kangding pegmatite field Jiajika Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
No. 104 Pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
No. 133 Pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
No. 308 Pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Liangshan Yi Huili County Baicao Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xiaoheiqing Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Mianyang Pingwu Co. Mount Little Xuebaoding Xuebaoding deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Jinchuan Co. Ke'eryin pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Tibet Nagqu Xainza Co. (Shenzha Co.) Gariatong Nb-Ta-Rb ore body	[commodity:Niobium (Columbium), commodity:Tantalum]
Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture) Gyirong County Zhaguopu Li-Be-Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xinjiang Akesu Prefecture Baicheng Co. Boziguoer intrusion	[commodity:Niobium (Columbium)]
Yilanlike pegmatite	[commodity:Niobium (Columbium)]
Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) Qianghesanqu Li‒Ta deposit	[commodity:Tantalum]
Hotan Prefecture Hetian Co. (Khotan Co.; Hotan Co.; Hoten Co.) Akeshayi rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Bingzhou rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Dahongliutan pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Kangxiwa rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
No. 496 rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xuepen rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Zhongfulugou rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ili Kazakh Autonomous Prefecture Altay Prefecture (Aletai Prefecture) Aletai Co. (Altay Co.) Dakalasu Mine (Dahalasu Mine)	[commodity:Niobium (Columbium), commodity:Tantalum]
Dakalasu No.1 pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Jiangjunshan intrusion	[commodity:Niobium (Columbium), commodity:Tantalum]
Fuhai Co. (Burultokay Co.) Husite pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Jiamukai pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Jiamukai pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Kalu’an-Azubai Pegmatite Field	[commodity:Niobium (Columbium), commodity:Tantalum]
No. JMK-09 pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Saerjiake No. 1 pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Fuyun Co. (Koktokay Co.) Bieyesamasi rare metal deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kelumute Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Koktokay pegmatite field (Keketuohai pegmatite field)	[commodity:Niobium (Columbium), commodity:Tantalum]
Altay Mine Koktokay No. 3 pegmatite (Altay No. 3 pegmatite)	[commodity:Niobium (Columbium), commodity:Tantalum]
Xiaohusite pegmatite field Xiaohusite No.91 pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Habahe Co. (Kaba Co.; Qaba Co.) Jiamanhaba pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Jeminay County Yeliuman No. 2 pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Qinghe Co. (Qinggil Co.; Chinggil Co.) Amulagong pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Asika'erte Mine	[commodity:Niobium (Columbium)]
Dakalasu-Kekexier pegmatite field Dakalsu pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Kelumute-Jideke pegmatite field Kaluan No. 807 Li deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kaluan No. 817 Li deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kulumute rare metal deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Qinghe pegmatite field Baicheng pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Talate pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Xiaokalasu-Qiebielin pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Xiaokalasu pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture) Tashiku'ergan Co. (Taxkorgan Co.; Tashqurqan Co.) Dabudaer rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Mulinchang rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Sansu rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Tatulugou rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kezilesu Autonomous Prefecture (Kizilsu Autonomous Prefecture; Qizilsu Autonomous Prefecture) Aketao Co. (Akto Co.; Aqto Co.) Huoshitashi rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Hushitashi rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kalawala rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Xiaoerbulong rare-metal pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Atushi Co. (Artux Co.; Atux Co.; Atush Co.) Halajun Township Bashisuhong alkaline complex	[commodity:Niobium (Columbium)]
Qiemuerqieke No. 2 pegmatite deposit	[commodity:Niobium (Columbium)]
Yunnan Baoshan Longling County Huangliangou Be-Nb-Ta pegmatite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Huihuan Be-Nb-Ta deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Kachang Be-Nb-Ta-Rb deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Naʹe Be-Nb-Ta-Rb deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Gaoligong High-Grade metamorphic belt Rare metal-bearing pegmatites Albite pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Perthite–Albite pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]

DR Congo
Ituri Mambasa Territory Mambasa Liha river
Katanga	[commodity:Tantalum]
North Kivu
Masisi Territory Bahunde
Rubaya
Osso Mumba	[commodity:Tantalum]
Rutshuru Territory Bwito Lueshe Mine	[commodity:Niobium (Columbium)]
South Kivu Mwenga Territory Kobokobo pegmatite
Tanganyika Manono-Kitotolo mine	[commodity:Niobium (Columbium), commodity:Tantalum]

Egypt
Red Sea Governorate El-Baroud granitic intrusion	[commodity:Niobium (Columbium), commodity:Tantalum]
Nuweibi Complex	[commodity:Niobium (Columbium), commodity:Tantalum]
Wadi Sikait Emerald mines (Sikait emerald deposit)	[commodity:Niobium (Columbium), commodity:Tantalum]

Equatorial Guinea
Rio Muni Wele-Nzas Province Bibabijop river	[commodity:Niobium (Columbium), commodity:Tantalum]

Finland
Central Ostrobothnia Kaustinen Syväjärv	[commodity:Niobium (Columbium), commodity:Tantalum]
Kokkola Länttä	[commodity:Tantalum]
Kainuu Kajaani Katajakangas deposit	[commodity:Niobium (Columbium)]
Kanta-Häme Tammela Kietyönmäki	[commodity:Tantalum]
Lapland Savukoski Tulppio Sokli carbonatite complex Sokli Phosphate-Niobium project	[commodity:Niobium (Columbium)] Yara International
South Ostrobothnia Alavus Hunnakko	[commodity:Niobium (Columbium)]

Greenland
Kujalleq Eqatdliartarfik	[commodity:Niobium (Columbium)]
Nunarsuit Island Kap Desolation	[commodity:Niobium (Columbium)]
Northeast Greenland National Park Kap Simpson Complex	[commodity:Niobium (Columbium)]
Qeqqata Qaqqarssuk complex	[commodity:Niobium (Columbium)]

India
Chhattisgarh Dantewada District Kawadgaon-Challanpara pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]

Kazakhstan
Abai Region Zharma District Kvartsevoye Pegmatite Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Akmola Region Zerendi District Donetskoye mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Almaty Region Raiymbek District Qaraghaily Aqtas mine	[commodity:Tantalum]
East Kazakhstan Region Kurshim District Karasu	[commodity:Tantalum]
Ulan District Aktobe pegmatite deposit	[commodity:Tantalum]
Alypkel pegmatite deposit	[commodity:Tantalum]
Asubulak ore field Krasnokordon Yubileinoye Ta deposit	[commodity:Tantalum]
Bakennoye Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Bayash Deposit	[commodity:Tantalum]
Belaya Gora	[commodity:Niobium (Columbium), commodity:Tantalum]
Kenebay mine	[commodity:Tantalum]
Komarovskoye Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Krasny Kordon	[commodity:Tantalum]
Medvedka deposit	[commodity:Tantalum]
Novo-Saryozek Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Shebuntai Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Zhamantas pegmatite deposit	[commodity:Tantalum]

Madagascar
Amoron'i Mania Ambatofinandrahana District Mandrosonoro Ampandramaika pegmatite
Ankiperatra pegmatites Ankiperatra Nord
Marivolanitra pegmatite
Maroanaka-Nord pegmatite
Maroanaka-Sud pegmatite
Betsiboka Maevatanana District Mahazoma Commune Ankaboka
Tsaratanàna District Bekapaika Commune Ambatoharanana Ambany pegmatite	[commodity:Niobium (Columbium)]
Ambatoharanana Ambony pegmatite (South)	[commodity:Niobium (Columbium)]
Ambatomainty pegmatites
Ambohibola pegmatites
Ampangabe-Ambohibola pegmatite
Amparihimena pegmatite
Analila pegmatite	[commodity:Niobium (Columbium)]
Antsakoa II pegmatite	[commodity:Niobium (Columbium)]
Befilaho II
Befilao I	[commodity:Niobium (Columbium)]
Bemanary pegmatite
Bemoka pegmatite
Berere Pegmatite Field	[commodity:Niobium (Columbium)]
Besatrana pegmatite
Imangoaka I
Imangoaka II
Manakana Commune Ambatoharanana pegmatite (Androfia)
Matsiatra Ambony Ikalamavony District Fitampito Malakialina pegmatite
Ikalamavony Commune Mahaseza pegmatites

Malawi
Northern Region Mzimba Majiyasawa pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Mbuliwiza pegmatite

Mongolia
Bulgan Province Khutag-Öndör District Bayangol 415 occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Dornogovi Province Dalanjargalan District Khukh Del Uul pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Khovd Province Myangad District Khaldzan Buragtag massif	[commodity:Niobium (Columbium)]
Khövsgöl Province Alag-Erdene District Ar Gol occurrence	[commodity:Niobium (Columbium)]
Khagiin Nuur occurrence	[commodity:Niobium (Columbium)]
Ujig Gol occurrence	[commodity:Niobium (Columbium)]
Yarhis Gol occurrence	[commodity:Niobium (Columbium)]
Ömnögovi Province Khanbogd District Khan Bogd Peralkaline Granite	[commodity:Niobium (Columbium), commodity:Tantalum]
Uvs Province Malchin District Ulaan Tolgoi deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Naranbulag District Khashaatyn Khar occurrence	[commodity:Niobium (Columbium)]
Öndörkhangai District Occurrence A-681 occurrence	[commodity:Niobium (Columbium)]
Occurrence A-683 occurrence	[commodity:Niobium (Columbium)]
Zavkhan District Ulaan Del deposit	[commodity:Niobium (Columbium), commodity:Tantalum]

Morocco
Dakhla-Oued Ed-Dahab Region Oued Ed-Dahab Province Terghat carbonatite structure	[commodity:Niobium (Columbium)]

Mozambique
Zambezia Province Mulevala District Morrua Mine	[commodity:Tantalum]

Namibia
Erongo Region Dâures Constituency Sandamap North Farm 115
Kunene Region Khorixas De Rust Pegmatite	[commodity:Tantalum]
Draaihoek Farm 527 Unnamed Sn occurrence [1]	[commodity:Tantalum]
Unnamed Sn occurrence [2]	[commodity:Tantalum]
Goedgenoeg Farm 526 Goantagab prospect	[commodity:Tantalum]
Unnamed Sn occurrence	[commodity:Tantalum]
Oas Intrusion	[commodity:Tantalum]
Ousis Pegmatite	[commodity:Tantalum]
Ugab River Pegmatite	[commodity:Tantalum]
Unnamed Sn occurrence [1]	[commodity:Tantalum]
Unnamed Sn occurrence [2]	[commodity:Tantalum]
Unnamed Sn occurrence [3]	[commodity:Tantalum]
Vegkop Farm 528 Gamigab prospect	[commodity:Tantalum]
Opuwo Rural Agate Mountain Complex
ǁKaras Region Berseba Constituency Heigums Farm 105	[commodity:Tantalum]
Karasburg East Hogeis Farm 83 Bokkiesbank Tin	[commodity:Tantalum]
Keetmanshoop Rural Constituency Dassiefontein Farm 87	[commodity:Tantalum]
Goibib Farm 96	[commodity:Tantalum]
Oranjemund Constituency Ai-Ais pegmatite [1]	[commodity:Tantalum]
Ai-Ais pegmatite [2]	[commodity:Tantalum]
Ai-Ais pegmatite [3]	[commodity:Tantalum]
ǃNamiǂNûs Constituency Aus Aus Townlands Farm 36 Aus Skarn	[commodity:Tantalum]
Kubub Farm 15 Unnamed prospect	[commodity:Tantalum]
Kokerboomkloof Farm 65	[commodity:Tantalum]
Nu Harris Farm 141	[commodity:Tantalum]

Nepal
P1 Koshi Pradesh Sankhuwasabha District Hyakule pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Phakuwa Phakuwa pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Taplejung District Dobala Pokhari prospect	[commodity:Niobium (Columbium), commodity:Tantalum]
P3 Bagmati Pradesh Makwanpur District Palung Granite	[commodity:Niobium (Columbium), commodity:Tantalum]
P4 Gandaki Pradesh Gorkha District Sandi Khola deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Mustang District Lomanthng U deposit	[commodity:Niobium (Columbium), commodity:Tantalum]

North Korea
Kangwon Province Pyonggang County Abdong Zr-Nb deposit (Aptong; Apdong)	[commodity:Niobium (Columbium), commodity:Tantalum]

Norway
Telemark Nome Fen Complex	[commodity:Niobium (Columbium)]
Søve Mines	[commodity:Niobium (Columbium)]

Russia
Altai Republic Kosh-Agachsky District Alakha	[commodity:Tantalum]
Buryatia Eastern Sayan Snezhnoe Be deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Chelyabinsk Oblast Vishnevye Mountains	[commodity:Niobium (Columbium)]
Irkutsk Oblast Vishnyakovskoe Rb-Ta deposit (Elash)	[commodity:Tantalum]
Murmansk Oblast Lovozersky District Keivy Mountains Yel’skie Lakes deposits	[commodity:Niobium (Columbium), commodity:Tantalum]
Voron'i Tundry Okhmyl'k Mt	[commodity:Tantalum]
Vasin-Myl'k Mt	[commodity:Niobium (Columbium), commodity:Tantalum]
Sakha Ust-Yansky District Omchikandya Ore Field Polyarnoe Deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Verkhoyansk District Yana River Basin Yana-Adycha Region Arga-Ynnakh-Khaya granite Massif Kester harpolith Kester deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Tuva Kaa-Khemsky District Erzin massif Ulug-Tanzek deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Zabaykalsky Krai Kalarsky District Katugin Ta-Nb deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Mogochinsky District Khangilay massif	[commodity:Niobium (Columbium), commodity:Tantalum]

Rwanda
Eastern Province Rwamagana District Musha-Ntunga	[commodity:Tantalum]
Southern Province Kamonyi District
Muhanga District
Ruhango District
Western Province Ngororero District
Gatumba pegmatite field Bijyoyo pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Luhanga pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Niganzo pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Nyamissa pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Nyarigamba pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Remera pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Rongi pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Shori pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Sitwe pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Muhororo Buranga pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Rutsiro District

South Africa
Limpopo Mopani District Municipality Greater Giyani Local Municipality M'Baula Ranch	[commodity:Niobium (Columbium)]
Northern Cape Namakwa District Municipality Nama Khoi Local Municipality Steinkopf Kokerboomrand pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]
Norrabees pegmatites I-VI Norabees I pegmatite	[commodity:Tantalum]
Noumas I pegmatite (Blesberg)	[commodity:Niobium (Columbium), commodity:Tantalum]
Spodumene Kop I pegmatite	[commodity:Niobium (Columbium)]
Witkop pegmatite	[commodity:Tantalum]
ZF Mgcawu District Municipality Kai !Garib Local Municipality Kenhardt Crieff Farm Crieff pegmatite	[commodity:Niobium (Columbium), commodity:Tantalum]

South Korea
North Chungcheong Province Chungju City Joongwon-gun Mt. Eorae Chungju deposit	[commodity:Niobium (Columbium)]

Spain
Castile and Leon Fregeneda–Almendra pegmatite field	[commodity:Niobium (Columbium), commodity:Tantalum]
Salamanca Golpejas Golpejas Mining Group	[commodity:Niobium (Columbium), commodity:Tantalum]
Lumbrales Mari Tere mine	[commodity:Tantalum]
Peñaparda La Canalita Sn-rich pegmatitic dykes	[commodity:Niobium (Columbium), commodity:Tantalum]
Villasrubias Villasrubias project	[commodity:Niobium (Columbium), commodity:Tantalum]
Extremadura Cáceres Logrosán Sierra de San Cristóbal	[commodity:Niobium (Columbium), commodity:Tantalum]
Tajo-Salor Las Navas	[commodity:Niobium (Columbium), commodity:Tantalum]
Villasbuenas de Gata Torrecilla de los Ángeles mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Galicia Lugo Ourol Ponte Segade deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ourense Viana do Bolo Penouta mines	[commodity:Niobium (Columbium), commodity:Tantalum]
Pontevedra Forcarei Forcarei South pegmatite field Presqueira pegmatite	[commodity:Tantalum]

Sweden
Jämtland County Bräcke Räggen Pegmatite	[commodity:Tantalum]
Västernorrland County Örnsköldsvik Sidensjö Orrvik	[commodity:Tantalum]

Thailand
Phuket Province Kathu District
TungTong mine
Prachuap Khiri Khan Province Nong Sua

Ukraine
Kirovohrad Oblast Mostovyi occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]

USA
Alabama Coosa County Old Will Bentley Land Prospect	[commodity:Tantalum]
Alaska Bethel Census Area Aniak Mining District Unnamed Occurrence (ARDF - RM020; southern Russian Mountains)	[commodity:Tantalum]
Unnamed Occurrence (ARDF - SM005; northeast of head of Getmuna Creek)	[commodity:Niobium (Columbium)]
Dillingham Census Area Bristol Bay Mining District Sleitat Prospect	[commodity:Tantalum]
Hoonah-Angoon Census Area Admiralty Mining District Unnamed Occurrence (ARDF - JU254; near Salmon River)	[commodity:Niobium (Columbium)]
Matanuska-Susitna Borough Valdez Creek Mining District Unnamed Prospect (ARDF - HE056; head of Ohio Creek)	[commodity:Niobium (Columbium), commodity:Tantalum]
Willow Creek Mining District Mount Goldie Occurrence	[commodity:Niobium (Columbium)]
Nome Census Area Serpentine Mining District Kougarok prospect (Kougarok Sn deposit)	[commodity:Niobium (Columbium), commodity:Tantalum]
Northwest Arctic Borough Selawik Mining District Uranium 3 Prospect (in Selawik Hills)	[commodity:Niobium (Columbium)]
Prince of Wales-Hyder Census Area Ketchikan Mining District Prince of Wales Island Bokan Mountain Carol Ann; Carol Ann No. 1; Carol Ann No. 2; Carol Ann No 3; Dotson Prospects	[commodity:Niobium (Columbium)]
I and L; I and L Nos. 3-5 Prospects	[commodity:Niobium (Columbium)]
I Prospect	[commodity:Niobium (Columbium)]
Irene-D Prospect	[commodity:Niobium (Columbium)]
Sunday Lake Prospect	[commodity:Niobium (Columbium)]
Wennie Prospects	[commodity:Niobium (Columbium)]
Cholmondeley Sound Dora Bay Unnamed Occurrences (ARDF - CR172)	[commodity:Niobium (Columbium)]
Kendrick Bay West Arm of Kendrick Bay Cheri & Cheri No. 1 prospects	[commodity:Niobium (Columbium)]
Geoduck Occurrences	[commodity:Niobium (Columbium)]
Upper Cheri Occurrence	[commodity:Niobium (Columbium)]
Yukon-Koyukuk Census Area Hot Springs Mining District Deep Creek and tributaries Mine	[commodity:Niobium (Columbium)]
Miller Gulch Mine	[commodity:Niobium (Columbium)]
Tofty Ridge Prospect	[commodity:Niobium (Columbium)]
Iditarod Mining District Black Creek Mine	[commodity:Niobium (Columbium)]
Chicken Mountain Prospect	[commodity:Niobium (Columbium), commodity:Tantalum]
Unnamed Occurrence (ARDF - ID051; northeast of hill 1095)	[commodity:Niobium (Columbium)]
Unnamed Occurrence (ARDF - ID057; southwest of VABM Caribou)	[commodity:Niobium (Columbium)]
Innoko Mining District Tolstoi Creek Prospect (ARDF - ID007)	[commodity:Niobium (Columbium), commodity:Tantalum]
Win Prospect	[commodity:Niobium (Columbium)]
Koyukuk Mining District Unnamed Occurrence (ARDF - WI039; west of Mettenpherg Creek)	[commodity:Niobium (Columbium)]
Unnamed Occurrences (ARDF - BT018; southeast of Sithylemenkat Lake)	[commodity:Niobium (Columbium), commodity:Tantalum]
Unnamed Occurrence (ARDF - MD004)	[commodity:Niobium (Columbium)]
Windy Fork Placer Occurrence	[commodity:Niobium (Columbium)]
Yukon Flats Mining District Fort Hamlin Hills pluton occurrence	[commodity:Tantalum]
Arizona La Paz County Silver Mining District U.S. Army Yuma Proving Grounds John Hummer Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Mohave County Aquarius Mountains Rare Metal Mine area Columbite prospect	[commodity:Niobium (Columbium)]
Rare Metals Mine (Waldren Mining Company Mine)	[commodity:Niobium (Columbium), commodity:Tantalum]
Cerbat Mountains Kingman Mining District Mineral X claim (Mineral X deposit)
Wallapai Mining District Kingman Feldspar Mine (Kingman Feldspar Quarry)
Hillside claim
Poachie Range Greenwood Mining District Lody Mine (Dungan Tungsten Mine)	[commodity:Niobium (Columbium)]
Pima County Ajo Mining District Little Ajo Mountains Ajo New Cornelia Mine	[commodity:Niobium (Columbium)]
Dollar Bill claims	[commodity:Niobium (Columbium), commodity:Tantalum]
Yavapai County White Picacho Mining District Independence Gulch Midnight Owl Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Arkansas Garland County Lecroy Farm	[commodity:Niobium (Columbium)]
Hot Spring County Magnet Cove Kimzey Magnetite Mine	[commodity:Niobium (Columbium)]
Magnet Cove Rutile Company deposits	[commodity:Niobium (Columbium)]
Pulaski County Fourche Bayou Deposit	[commodity:Niobium (Columbium)]
Stone County Unnamed prospect [10114623]	[commodity:Tantalum]
California San Bernardino County Landers Rock Corral Unnamed REE occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Colorado Boulder County Crystal Mountain Mona No. 9 Claim	[commodity:Tantalum]
Gold Hill Mining District Beryl No. 1 claim	[commodity:Niobium (Columbium), commodity:Tantalum]
Beryl No. 2 claim	[commodity:Niobium (Columbium)]
Left Hand Creek Mining District Highline Prospect Columbine Mine	[commodity:Niobium (Columbium)]
New Girl Prospect	[commodity:Niobium (Columbium), commodity:Tantalum]
Ward Mining District Beryl No. 1 Prospect	[commodity:Niobium (Columbium), commodity:Tantalum]
Beryl No. 2 Prospect	[commodity:Niobium (Columbium)]
Chaffee County La Plata Mining District (Winfield Mining District) Middle Mountain complex
Mount Antero Beryl Gem Claims	[commodity:Niobium (Columbium), commodity:Tantalum]
Turret Mining District Coffey Pot Claims	[commodity:Tantalum]
Friend Claims	[commodity:Tantalum]
Mica-Beryl Mine (MRDS - 10013705)	[commodity:Niobium (Columbium), commodity:Tantalum]
Rock King Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Shirley group	[commodity:Niobium (Columbium), commodity:Tantalum]
Clear Creek County Grover Mine (Grover pegmatite; Windsor)	[commodity:Niobium (Columbium), commodity:Tantalum]
Custer County Gem Park Complex Prospect (Wet Mountains)	[commodity:Niobium (Columbium)]
Douglas County Devils Head Pegmatite Mining District California Mine
El Paso County Cheyenne Mining District (St. Peters Dome Mining District) Stove Mountain Mineral Locality (Cook Stove Mountain Mineral Locality)	[commodity:Niobium (Columbium)]
Crystal Park Crystal Park area
Fremont County Cotopaxi Area Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Cottonwood Creek Area Benton Prospect (Hilltop prospect)	[commodity:Niobium (Columbium), commodity:Tantalum]
Gem Park complex Letha Lee Prospect	[commodity:Niobium (Columbium)]
Vermiculite Mine (MRDS - 10013422)	[commodity:Niobium (Columbium)]
Lookout Mountain Area Horsepasture Pegmatites Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Ilmenite Pegmatite Occurrence (MRDS - 10010868)	[commodity:Niobium (Columbium), commodity:Tantalum]
Jim 3 Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Jim 8 Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Gilpin County Mountain House Dory Hill Occurrence	[commodity:Niobium (Columbium)]
Gunnison County Bonus Extension Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Quartz Creek Pegmatite Mining District Beryl and Rare Minerals Lode	[commodity:Niobium (Columbium), commodity:Tantalum]
Brown Derby Mine
Brown Derby No. 1	[commodity:Niobium (Columbium), commodity:Tantalum]
Brown Derby No. 5 Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Monzonite Mine
Willow Creek occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
White Earth Mining District (Powderhorn Mining District) Iron Hill deposit	[commodity:Niobium (Columbium)]
Jefferson County Clear Creek pegmatite Province Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine)	[commodity:Niobium (Columbium), commodity:Tantalum]
Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) New Hope claims	[commodity:Niobium (Columbium), commodity:Tantalum]
Tantalum Prospect (MRDS - 10087861)	[commodity:Tantalum]
Prairie Divide Mining District (St. Cloud Mining District) Red Head Claim (Paradox pegmatite)	[commodity:Niobium (Columbium), commodity:Tantalum]
Micanite Mining District (Currant Creek Mining District) Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining)	[commodity:Niobium (Columbium), commodity:Tantalum]
Moffat County Fourmile Mining District (Timberlake Creek Mining District) Joker Pit	[commodity:Niobium (Columbium)]
Park County Guffey Mining District East-West Pegmatite Occurrence (West-West Pegmatite)	[commodity:Niobium (Columbium)]
Meyers Ranch	[commodity:Niobium (Columbium), commodity:Tantalum]
Saguache County Blake Mining District (Mirage Mining District; Cotton Creek Mining District) Unnamed Pegmatite Mine (MRDS - 10013994)	[commodity:Niobium (Columbium), commodity:Tantalum]
Cochetopa Mining District (Cochetopa Creek Mining District) Tantalite Prospect	[commodity:Tantalum]
Connecticut Middlesex County Haddam Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry)
Idaho Blaine County Camas Mining District Rock Creek Placer	[commodity:Niobium (Columbium), commodity:Tantalum]
Camp Creek Placer (Johanson and Thamm)	[commodity:Niobium (Columbium), commodity:Tantalum]
Boise County Boise Basin Mining District Grimes Pass Mining District Gold Dust Nos. 1; 2; 3 Prospect	[commodity:Niobium (Columbium)]
Canyon Creek Placers	[commodity:Niobium (Columbium)]
Castle View Claims	[commodity:Niobium (Columbium)]
Clear Creek Columbium Prospect	[commodity:Niobium (Columbium)]
Clear Creek Placers	[commodity:Niobium (Columbium)]
Idaho City Mining District Idaho City Idaho City Hg-Coltan occurrence
New Columbium Prospect	[commodity:Niobium (Columbium)]
Stella Bomar Nos. 1 & 2 Prospect	[commodity:Niobium (Columbium)]
Idaho County M. J. Kouba Pegmatite Property	[commodity:Niobium (Columbium)]
Lemhi County Lee - Buck No. 4 Claim	[commodity:Niobium (Columbium)]
Lee Buck No. 3 Claim	[commodity:Niobium (Columbium)]
Mineral Hill	[commodity:Niobium (Columbium)]
Mineral Hill Mining District Unnamed Niobium (Columbium) Occurrence (MRDS - 10169153)	[commodity:Niobium (Columbium)]
Valley County Bear Valley Area Bear Valley Placers (Lower Bear Valley; Big Meadows; Central Bear Valley)	[commodity:Niobium (Columbium)]
Grinibun Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Little Brown Jug	[commodity:Niobium (Columbium), commodity:Tantalum]
Monazite Group	[commodity:Niobium (Columbium)]
Rainier Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Samarskite	[commodity:Niobium (Columbium), commodity:Tantalum]
Unorganized District Bear Valley Placers	[commodity:Niobium (Columbium), commodity:Tantalum]
War Eagle Group	[commodity:Niobium (Columbium)]
Bear Valley Placer	[commodity:Niobium (Columbium), commodity:Tantalum]
Bruce Meadow Placer	[commodity:Niobium (Columbium)]
Cache Creek Placer	[commodity:Niobium (Columbium)]
Heavy Mineral Placer	[commodity:Niobium (Columbium)]
Sack Creek Placer	[commodity:Niobium (Columbium)]
Maine Sagadahoc County Topsham Fisher Quarry	[commodity:Tantalum]
Montana Beaverhead County Last Chance No. 3 Prospect	[commodity:Niobium (Columbium)]
Granite County Sapphire Mountains Area Ranger Placer Claim	[commodity:Niobium (Columbium), commodity:Tantalum]
Sand Basin Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Wanda Placer Claim	[commodity:Niobium (Columbium), commodity:Tantalum]
Hill County Rocky Boy Stock Occurrence	[commodity:Niobium (Columbium)]
Unnamed Uranium - Zinc - Niobium (Columbium) - Copper - Lead - Zirconium - Titanium - Metal Occurrence (Vermiculite Prospect; MRDS - 10019371)	[commodity:Niobium (Columbium)]
Madison County California Gulch	[commodity:Niobium (Columbium)]
Sappington deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Ravalli County Mineral Point Mining District Beaver Creek Occurrence	[commodity:Niobium (Columbium)]
Columbine claims (Columbite Occurrence (MRDS - 10221637))	[commodity:Niobium (Columbium)]
Sheep Creek Columbite Deposits	[commodity:Niobium (Columbium)]
Unknown REE - Thorium - Uranium - Niobium (Columbium) Occurrence (MRDS - 10019901)	[commodity:Niobium (Columbium)]
Unnamed Carbonate Bands Occurrence (MRDS - 10270482)	[commodity:Niobium (Columbium)]
Unnamed Niobium (Columbium) Location (MRDS - 10148983)	[commodity:Niobium (Columbium)]
Unnamed Niobium (Columbium) Location (MRDS - 10197549)	[commodity:Niobium (Columbium)]
Unnamed Niobium (Columbium) Location (MRDS - 10294894)	[commodity:Niobium (Columbium)]
Woods Creek Deposits	[commodity:Niobium (Columbium)]
Rye Creek Mining District Mace Prospect (Long Prospect)	[commodity:Tantalum]
Nevada Clark County Gold Butte Mining District Hilltop mine	[commodity:Tantalum]
New Mexico Colfax County Laughlin Peak Mining District Laughlin Peak Prospects	[commodity:Niobium (Columbium)]
Grant County Burro Mountains Mining District Southwest and Central Burro Mts Area White Top Mine	[commodity:Tantalum]
Gold Hill Mining District	[commodity:Tantalum]
North Pegmatite	[commodity:Tantalum]
South Pegmatite	[commodity:Tantalum]
White Signal Mining District High Noon No. 1	[commodity:Tantalum]
Mora County Pidlite deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
Rio Arriba County American	[commodity:Niobium (Columbium)]
De Aragon deposit	[commodity:Tantalum]
Ojo Caliente Mining District Ojo Caliente No.1	[commodity:Niobium (Columbium), commodity:Tantalum]
Petaca Mining District	[commodity:Tantalum]
Cribbenville area Bluebird No. 2 deposit	[commodity:Niobium (Columbium)]
La Jarita-Apache area Coats Pegmatite (American)	[commodity:Niobium (Columbium)]
Lonesome deposit	[commodity:Tantalum]
Mary deposit	[commodity:Niobium (Columbium)]
St Joseph deposit	[commodity:Tantalum]
Werner deposit	[commodity:Niobium (Columbium), commodity:Tantalum]
La Madera-Paloma Canyon area Aztec deposit	[commodity:Niobium (Columbium)]
La Madera mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Petach Mine	[commodity:Tantalum]
St. Christopher Columbite Placer	[commodity:Niobium (Columbium), commodity:Tantalum]
San Miguel County Elk Mountain Mining District	[commodity:Tantalum]
Guy no. 1 deposit	[commodity:Tantalum]
Sparks-Stone pegmatite	[commodity:Tantalum]
Lepidolite Shaft	[commodity:Tantalum]
Taos County Blue Feather Claims	[commodity:Tantalum]
Paul Burch Pegmatite	[commodity:Tantalum]
Picuris District	[commodity:Tantalum]
Harding Mine	[commodity:Tantalum]
Harding Pegmatite Extension	[commodity:Tantalum]
Owen-Roybal Group	[commodity:Tantalum]
North Carolina Cleveland County Cleveland County PE	[commodity:Niobium (Columbium)]
Kings Mountain Foote Lithium Co. Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Gaston County Gaston County Pegmatite	[commodity:Niobium (Columbium)]
Lincoln County Lincolnton Lincoln County Pegmatite	[commodity:Tantalum]
Mitchell County Pink Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Spruce Pine Mining District	[commodity:Niobium (Columbium), commodity:Tantalum]
Yancey County Randolph Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
South Carolina Cherokee County Cherokee County Pegmatite	[commodity:Tantalum]
South Dakota Custer County Custer Mining District Custer Beecher Lode Beecher Lode Bond Claim (Beecher No. 1; Bond Lode)	[commodity:Tantalum]
Beecher No. 3	[commodity:Niobium (Columbium), commodity:Tantalum]
Bull Moose Mine	[commodity:Tantalum]
Fourmile Tin Mountain Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Mayo Lode	[commodity:Tantalum]
Pringle Lookout Mine (Carroll Claims; Park; Rosebud)	[commodity:Niobium (Columbium)]
Tanner Property	[commodity:Tantalum]
Terry & Terry No. 1 Claims (Thom Carroll Property)	[commodity:Tantalum]
Wilhelm Mine	[commodity:Tantalum]
Lawrence County Tinton Pegmatite Mining District Black Hills Tin Company	[commodity:Niobium (Columbium), commodity:Tantalum]
Keenan Properties Placer	[commodity:Tantalum]
Pennington County Keystone Mining District Pacer Group	[commodity:Niobium (Columbium), commodity:Tantalum]
Plate Mica Prospect	[commodity:Tantalum]
Utah Tooele County Columbia-East Erickson Mining District Sheeprock Area Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Virginia Amelia County Amelia (Amelia Court House)	[commodity:Tantalum]
Berry Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Pinchbeck No. 1 Mine (Pitchbeck No. 1 Mine; Pinchback Property Mine 63)	[commodity:Niobium (Columbium), commodity:Tantalum]
Bedford County Moneta-Forest Otter Hill Hatcher Prospect (Craigshead)	[commodity:Tantalum]
Charlotte County Charlotte-Cumberland Crews Prospect (Crews No. 1 & 2 Prospect)	[commodity:Niobium (Columbium), commodity:Tantalum]
Prince Edward County Spring Creek Occurrence	[commodity:Niobium (Columbium), commodity:Tantalum]
Washington Okanogan County Park City Mining District Ralph Hart Prospect	[commodity:Niobium (Columbium)]
Wyoming Albany County Ione pegmatite prospect	[commodity:Tantalum]
Many Values pegmatite prospect	[commodity:Tantalum]
Platt Mine	[commodity:Niobium (Columbium), commodity:Tantalum]
Unknown Niobium (Columbium) Prospect (MRDS - 10157240)	[commodity:Niobium (Columbium)]
Carbon County Big Creek pegmatite District Platt Pegmatite Mine	[commodity:Niobium (Columbium)]
Crook County Bear Lodge alkaline igneous complex Bull Hill nepheline-syenite deposit (Bull Hill carbonatite; Bear Lodge carbonatite)	[commodity:Niobium (Columbium)]
Bear Lodge Mining District Bear Lodge Mountains Occurrence	[commodity:Niobium (Columbium)]
Fremont County Copper Mountain Mining District Copper Mountain No. 2	[commodity:Tantalum]
Niobrara County Unknown Tantalum Occurrence (MRDS - 10133145)	[commodity:Tantalum]
Unknown Tantalum Occurrence (MRDS - 10157084)	[commodity:Tantalum]
Unknown Tantalum Occurrence (MRDS - 10181890)	[commodity:Tantalum]
Unknown Tantalum Occurrence (MRDS - 10279015)	[commodity:Tantalum]
Sheridan County Rainbow Claims	[commodity:Niobium (Columbium), commodity:Tantalum]

Zimbabwe
Harare Enterprise tin field Pope tantalum mine	[commodity:Tantalum]
Mashonaland East Mudzi District Donsa pegmatite

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