Fersmite (original) (raw)

A valid IMA mineral species - grandfathered

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About FersmiteHide

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Formula:

(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

Colour:

Black, dark brown, lemon-yellow to yellow-brown

Lustre:

Sub-Vitreous, Resinous, Sub-Metallic

Specific Gravity:

4.78 (Calculated)

Crystal System:

Orthorhombic

Name:

Named in 1946 by Elsa Maximilianovna Bohnstedt-Kupletskaya and T. A. Burova in honour of academic Aleksandr Evgenievich Fersman (November 8, 1883 St. Petersburg, Russia - May 20, 1945 Sochi, Georgia), mineralogist, founder of the Fersman Mineralogical Museum in Moscow, Russia. The mineral fersmanite is also named after him.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:1539:0

f8e6caed-9603-49e3-af1f-17935f1360a2

IMA Classification of FersmiteHide

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Approved, 'Grandfathered' (first described prior to 1959)

Classification of FersmiteHide

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4.DG.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra

8.3.3.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6

18.2.12

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U

Mineral SymbolsHide

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

Symbol Source Reference
Fsm IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of FersmiteHide

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Pronunciation:

Play Recorded by Country
Sorry, your browser doesn't support HTML5 audio. Jolyon Ralph United Kingdom

Physical Properties of FersmiteHide

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Sub-Vitreous, Resinous, Sub-Metallic

Transparency:

Translucent, Opaque

Colour:

Black, dark brown, lemon-yellow to yellow-brown

Hardness:

VHN100=572 - 593 - Vickers

Cleavage:

Distinct/Good
{100}

Density:

4.78 g/cm3 (Calculated)

Optical Data of FersmiteHide

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RI values:

_n_α = 2.070 _n_β = 2.080 _n_γ = 2.190

2V:

Measured: 20° to 25°, Calculated: 36°

δ = 0.120

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Comments:

X = Y = pale greenish yellow to colorless; Z = dark greenish yellow to olive-yellow

Chemistry of FersmiteHide

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Mindat Formula:

(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

Crystallography of FersmiteHide

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Crystal System:

Orthorhombic

Class (H-M):

m m m _(_2/_m_2/_m_2/m ) - Dipyramidal

Cell Parameters:

a = 14.926(4) Å, b = 5.752(4) Å, c = 5.204(4) Å

Ratio:

a:b:c = 2.595 : 1 : 0.905

Unit Cell V:

446.79 ų (Calculated from Unit Cell)

Morphology:

prismatic crystals

Comment:

commonly metamict

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0000196 Fersmite Cummings J P, Simonsen S H (1970) The crystal structure of calcium niobate (CaNb2O6) American Mineralogist 55 90-97 1970 synthetic 0 293
0012371 Fersmite Gurbanova O A, Rastsvetaeva R K, Kashaev A A, Smolin A S (2001) Refined crystal structure of TR-fersmite (TR = Ce) Crystallography Reports 46 194-195 2001 Ust'-Biran deposit 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
3.049 Å (100)
3.762 Å (21)
1.527 Å (15)
2.493 Å (14)
1.183 Å (13)
1.211 Å (11)
1.967 Å (10)

Geological EnvironmentHide

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Geological Setting:

accessory mineral in nepheline syenites and carbonatites.

Type Occurrence of FersmiteHide

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Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 44383, 44384

Other Language Names for FersmiteHide

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Relationship of Fersmite to other SpeciesHide

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Other Members of this group:

Euxenite-(Y) (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
Kobeite-(Y) (Y,U)(Ti,Nb)2(O,OH)6 (?) Iso.
Loranskite-(Y) (Y,Ce,Ca)ZrTaO6 (?)
Tanteuxenite-(Y) Y(Ta,Nb,Ti)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
Uranopolycrase (U4+,Y)(Ti,Nb)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
Yttrocrasite-(Y) (Y,Th,Ca,U)(Ti,Fe)2(O,OH)6 Amor.

Common AssociatesHide

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Associated Minerals Based on Photo Data:

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4.DG.05 Uranopolycrase (U4+,Y)(Ti,Nb)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
4.DG.05 Yttrocrasite-(Y) (Y,Th,Ca,U)(Ti,Fe)2(O,OH)6 Amor.
4.DG.05 Tanteuxenite-(Y) Y(Ta,Nb,Ti)2(O,OH)6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
4.DG.05 Loranskite-(Y) (Y,Ce,Ca)ZrTaO6 (?)
4.DG.05 Euxenite-(Y) (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 Orth. m m m _(_2/_m_2/_m_2/m ) : P b c n
4.DG.05 Kobeite-(Y) (Y,U)(Ti,Nb)2(O,OH)6 (?) Iso.
4.DG.10 Yttrotantalite-(Y) (Y,U,Fe2+)(Ta,Nb)(O,OH)4 Orth.
4.DG.10 Clinofergusonite-(Y) YNbO4 Mon. 2/m
4.DG.10 Clinofergusonite-(Nd) (Nd,Ce)NbO4 Mon.
4.DG.10 Clinofergusonite-(Ce) CeNbO4 Mon. 2/m : _B_2/m
4.DG.15 Foordite Sn2+Nb2O6 Mon. 2/m : _B_2/b
4.DG.15 Thoreaulite Sn2+Ta2O6 Mon. 2/m : _B_2/b
4.DG.20 Raspite Pb(WO4) Mon. 2/m : _P_21/b

Fluorescence of FersmiteHide

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Fluoresces yellow-green to bluish green under SW and LW UV; light blue cathodoluminescence

Other InformationHide

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Health Risks:

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

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References for FersmiteHide

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Localities for FersmiteHide

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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

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- 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
Western Australia Port Hedland Shire Abydos Station Wodgina Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke) Fetherston (2004)
Austria
Styria Deutschlandsberg District Deutschlandsberg Stoffhütte pegmatite Postl et al. (1987)
Murtal District Pusterwald Pusterwald-Bretstein area Spodumene pegmatites Hohenwart Mali (2004)
Scharnitzfeld Mali (2004)
Brazil
Minas Gerais Poços de Caldas Morro do Ferro Gomes et al. (2023)
Poços de Caldas alkaline complex Gomes et al. (2023)
Paraíba Pedra Lavrada Alto Feio Beurlen et al. (2008)
Rio Grande do Norte Equador Alto dos Quintos Mine Beurlen +4 other references
Santa Catarina Anitápolis Anitápolis deposit Comin-Chiaramonti et al. (2008)
Canada
British Columbia Golden Mining Division Radium Hot Springs Mount Brussilof mine (Bay Mag Mine) GJ Simandl (1991)
Kamloops Mining Division Blue River carbonatites Fir carbonatite Chudy T et al. (2014)
Verity claim George J. Simandl (2001)
Specimen pit Blue River Carbonatites et al. (http://www.commerceresources.com/i/pdf/05-BCGOVRREPORT.pdf)
Upper Fir carbonatite Berger et al. (2009)
Omineca Mining Division Williston Lake Aley Deposit (Aley Creek Carbonatite Complex) Jennifer Pell (1994) +2 other references
Manitoba Lac-du-Bonnet area Greer Lake Whiteshell Park Huron pegmatite Bannatyne (1985)
Shatford Lake Shatford Lake pegmatite Camacho et al. (2014)
Nova Scotia Cumberland Co. Wentworth plutonic complex Papoutsa et al. (2013)
Ontario Thunder Bay District Coldwell complex McLaughlin (1990)
Killala Lake Area Prairie Lake carbonatite Savard (2019)
Yukon Watson Lake mining district True Blue property (Shark property) Guano Ridge in International Workshop on the ... +1 other reference
China
Hubei Shiyan Zhushan Co. Miaoya carbonatite Shi Li (1980) +4 other references
Inner Mongolia Baotou City (Baotou Prefecture) Bayan Obo mining district Bayan Obo Bayan Obo deposit Yi-Li et al. (2023) +1 other reference
East Mine Liu +1 other reference
Main pit Zhang Peishan et al. (1996)
Liaoning Dandong Kuandian County Saima U-REE deposit Wu et al. (2023)
Sichuan Liangshan Yi Huili County Baicao Nb-Ta deposit Xue et al. (2021)
Xiaoheiqing Nb-Ta deposit Xue et al. (2021)
Panzhihua Yanbian County Luku Complex Lin et al. (1995)
Yunnan Honghe Jianshui County Puxiong Puxiong regolith-hosted REE deposit Wang et al. (2024)
Czech Republic
Olomouc Region Šumperk District Ruda nad Moravou Žd'ár pegmatite Novak et al. (2010) +2 other references
Velké Losiny Maršíkov (Marchendorf) D6e pegmatite Ddolníček Z et al. (2020)
Rasovna (Schinderhübl) Novák
Střelecký důl (Scheibengraben) Sejkora +2 other references
South Bohemian Region Písek District Kovářov Vepice Vepice quarry Sejkora et al. (2020)
Vysočina Region Jihlava District Jihlava (Iglau) Novák et al. (1996)
Třebíč District Kožichovice Kožichovice II pegmatite Výravský et al. (2017)
DR Congo
North Kivu Rutshuru Territory Bwito Lueshe Mine www.handbookofmineralogy.com (2012) +1 other reference
Tanganyika Manono-Kitotolo mine Voloshin A.V. (1988)
France
Occitanie Hautes-Pyrénées Bagnères-de-Bigorre Avezac-Prat-Lahitte Espéchère MONCHOUX P. et al. (2006)
Germany
Rhineland-Palatinate Mayen-Koblenz Mendig Mendig In den Dellen quarries Hentschel (1990)
Thelenberg Hentschel (1990)
Wingertsberg Pumice quarries Hentschel (1990)
Pellenz Kruft Krufter Ofen Hentschel (1990)
Greenland
Kujalleq Ilímaussaq complex Petersen (2001)
Mount Nakkaalaaq Bohse et al. (2001)
India
Odisha Malkangiri District Orissa deposit Acharya et al. (1982)
West Bengal Purulia District Sushina Hill Chakrabarty et al. (2018)
Italy
Piedmont Verbano-Cusio-Ossola Province Baveno Feriolo Scala dei Ratti Quarry (Ratti Quarry; Scala Quarry) Guastoni et al. (2010)
Oltrefiume Mount Camoscio Locatelli quarry Grill (1935)
Seula mine Sergio Varvello collection
Craveggia Rio Vasca Piano del Lavonchio (Piano dei Lavonchi) Piccoli et al. (2007)
Druogno Orcesco Alpe Rosso
Trontano Pizzo Marcio Pizzo Marcio North dyke Mattioli (1979 a) +8 other references
Pizzo Marcio South-East dyke Piccoli et al. (2007) +1 other reference
Rio Graia Callegari A. et al. (4)
Rio Margologio Albertini (2011)
Sardinia Sassari Province Telti San Bachisio Quarries Gamboni et al. (2001)
Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) Verkhnee Espe Massif (Verkhnee Espe deposit) Stepanov et al. (2012)
Madagascar
Vakinankaratra Betafo District Ambohimanambola Anjanabonoina pegmatites Pezzotta (1999)
Sarodivotra De Vito et al. (2006)
Mongolia
Khovd Province Myangad District Khaldzan Buragtag massif Pavel.M. Kartashov (n.d.) +1 other reference
Mount Ulyn Khuren Tat'yana pegmatite Kartashov P.M. et al. (Mongolian Altai)
Tsakhirin Khuduk Y-Zr-Nb deposit Pavel.M. Kartashov (n.d.) +1 other reference
Mozambique
Zambezia Province Mocuba District Mocuba Vila Maior pegmatite Moiana (2010)
North Korea
Kangwon Province Pyonggang County Abdong Zr-Nb deposit (Aptong; Apdong) Kim et al. (2023)
Norway
Agder Evje og Hornnes Landsverk Landsverk 1 Feldspar Quarry (Jokeli) Larsen (2001)
Iveland Frikstad Litjern (Frikstad 02) Nordrum (2008) +1 other reference
Nordland Hamarøy Drag Husdal (2023)
Svalbard Spitsbergen Hornsund Skoddefjellet Pegmatite Pršek et al. (2010)
Telemark Drangedal Tørdal Skarsfjell pegmatite Raade (1993)
Nome Søve Mines Neumann (1985)
Vestfold Larvik Malerød Midtfjellet Quarry Larsen (2021)
Poland
Lower Silesian Voivodeship Dzierżoniów County Piława Górna DSS Piława Górna Quarry PIECZKA et al. 2010: Nb-Ta minerals in ...
Julianna pegmatite SZUSZKIEWICZ et al. (2013) +1 other reference
Karkonosze County Szklarska Poręba Szklarska Poręba Huta granite quarry Evans et al. (2018)
Wrocław County Gmina Jordanów Śląski Jordanów nephrite quarry Pieczka et al. (2024)
Jordanów serpentinite quarry Pieczka et al. (2024)
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary Mt. Szklana Mine (Szklary pegmatite) Pieczka (2006) +3 other references
Romania
Harghita County Ditrău Complex Pál Molnár (2000)
Joseni Belcina Creek (Belcina) Hirtopanu et al. (2013)
Sibiu County Lotru-Cibin Mountains Contu-Negovanu Pegmatite Field Săbău (2010)
Russia
Chelyabinsk Oblast Ilmen Mountains Ilmenogorsky alkaline complex Makagonov et al. (2017)
Miass Pit No. 418 Sorokina et al. (2019)
Vishnevye Mountains Chakhmouradian et al. (2015)
Buldym Lake Nedosekova (2007) +1 other reference
Vein No. 140 Popova et al. (2018)
Vein No. 37A (TL) Pekov (1998)
Karavai Mt webmineral.ru (2016)
Kurochkin Log Vein No. 2 Попова et al. (2019)
Irkutsk Oblast Vitim Plateau Biraya and Bya Rivers confluence area (Chara Basin) Biraya Fe-REE ore occurrence Ust'-Biraya Chakhmouradian et al. (2015)
Murmansk Oblast Afrikanda complex Chakhmouradian et al. (1999)
Sverdlovsk Oblast Adui Batholith Semininskaya mine Vital'Evna (2021)
Rezhevsky District Lipovsk pegmatite field Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine) Igor.V. Pekov (2008)
Tuva Belaya Zima REE-Nb deposit Chakhmouradian et al. (2015)
Slovakia
Banská Bystrica Region Banská Bystrica District Brusno Sopotnická Valley Uher
Lučenec District Čamovce Unnamed stone quarry Huraiová et al. (2019)
Košice Region Rožňava District Dobšiná Dobšiná mining district Malá Vlčia Valley pegmatite vein Uher P. et al. (2018)
Trnava Region Piešťany District Moravany nad Váhom Uher et al. (Považský Inovec)
Striebornica Uher P. +1 other reference
South Africa
Limpopo Waterberg District Municipality Thabazimbi Local Municipality Thabazimbi Glenover carbonatite Glenover phosphate mine Cairncross et al. (1995)
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality Pilanesberg Alkaline Ring Complex VERWOERD (1986)
South Korea
North Chungcheong Province Chungju City Joongwon-gun Mt. Eorae Chungju deposit Pavel.M. Kartashov (n.d.)
Spain
Canary Islands Las Palmas Province Fuerteventura Ковальчук et al. (2014) +1 other reference
Fuerteventura Basal Complex Casillas et al. (2011)
Santa Cruz de Tenerife Province Tenerife Alcala Dill et al. (2023)
Sri Lanka
Sabaragamuwa Province Ratnapura District Ratnapura Pavel M. Kartashov analytical data (2011)
Sweden
Västernorrland County Sundsvall Alnö Complex Sandström et al. (2010)
Båräng Sandström et al. (2010)
Stugholmen Sandström et al. (2010)
Tajikistan
Gorno-Badakhshan Shughnon Shakhdara Range Leskhozovskiy granitic pegmatite Pautov et al. (2022)
Tanzania
Mbeya Region Mbeya Panda Hill Chakhmouradian et al. (2015)
UK
England Devon West Devon Okehampton Hamlets Meldon Aplite Quarry Knorring et al. (1984)
USA
Alaska 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 Philpotts et al. (1998)
Kendrick Bay West Arm of Kendrick Bay Geoduck Occurrences Philpotts et al. (1998)
Arkansas Pulaski County Howard (1987)
Little Rock Granite Mountain area Rocks and Minerals (1989)
Big Rock Quarry (3M Quarry; Arch Street Pike Quarry) Min News (2000)
California San Diego County Mesa Grande Mining District Gem Hill Himalaya Mine Rocks and Mineral: 1998: 168 & 178
San Diego Mine Foord et al. (1978)
Colorado Fremont County Gem Park complex Eckel et al. (1997)
Vermiculite Mine (MRDS - 10013422) USGS Prof Paper 649 +1 other reference
Larimer County Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine) Eckel et al. (1997)
Maine Aroostook County Pennington Mountain REE-Nb-Zr occurrence Chunzeng Wang +2 other references
Michigan Dickinson County Randville Unnamed Pegmatite quarry ("Groveland" pegmatite) ? Buchholz et al. (2014)
Montana Ravalli County Mineral Point Mining District Alta Dark Star group (Dark Star claim; Sheep Creek Adit No. 1; Sheep Creek Adit No. 2) Am Min (1959) +1 other reference
Rocky Point No. 1 Occurrence Heinrich et al. (1961)
Sheep Creek Gammons et al. (2024)
New Hampshire Carroll County Albany Government pit ? Nashua Min. Soc. Display Cat.
New Jersey Sussex County Franklin Franklin Mine Buckwheat dump mineral collecting site Chris O'Neill and Travis Olds
North Carolina Cleveland County Kings Mountain Foote Lithium Co. Mine Rocks and Minerals +2 other references
Virginia Amelia County Amelia (Amelia Court House) Rutherford Mines a classic locality revisited. The Canadian Mineralogist (2) +1 other reference