Mineralienatlas - Fossilienatlas
Bismutocolumbite |
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Bismutocolumbit schwarzer Bismutocolumbit neben rotem Turmalin auf Albit, Malkhan, Chita, Transbaikalien, Russland; BB ~ 2 mm, analysiert Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit Location: Russland/Sibirien, Föderationskreis/Transbaikalien, Region (Zabaykalsky Krai)/Krasnochikoysky, Rajon/Malkhan Pegmatitfeld (Malchansk; Малханского) Mineral: Bismutocolumbite Image: 1579898558 License: Usage for Mineralienatlas project only |
Bismutocolumbit |
schwarzer Bismutocolumbit neben rotem Turmalin auf Albit, Malkhan, Chita, Transbaikalien, Russland; BB 2 mm, analysiert |
Copyright: | MinTreasure.com (Carsten Slotta) |
Contribution: openpit 2020-01-24 |
Locality: Malkhan Pegmatitfeld (Malchansk; Малханского) / Krasnochikoysky, Rajon / Transbaikalien, Region (Zabaykalsky Krai) / Sibirien, Föderationskreis / Russland |
Collectors Summary
Color | schwarz |
Streak color | gelblich braun |
Hardness (Mohs) | 5.5 |
Cleavages | vollkommen {001} |
Fracture | muschelig |
Crystal System | orthorhombisch, Pcnn |
Chemism
Chemical formula |
Bi(Nb,Ta)O4 |
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Chemical composition |
Bismut, Niob, Tantal, Sauerstoff |
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Analysis wt% |
Ta2O5 : 11.67, Nb2O5 : 27.03, Bi2O3 : 59.85 (Ref: Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 1904-1974 92) |
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Strunz 9th edition incl. updates |
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4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate) |
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Lapis Classification |
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IV: OXIDE |
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Classification by Hölzel |
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4: OXIDES |
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Dana 8th edition |
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08: Multiple Oxides with Nb, Ta, and Ti |
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IMA status |
Anerkannt von der CNMNC |
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Mineral status |
anerkanntes Mineral |
Optical Properties
Crystallography
Crystals 3D
Open larger view |
Crystal Structure 3D
Open larger view |
Physical Properties
5.5 |
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530 (ungefähre Angabe abgeleitet aus der Mohshärte) |
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7.56 |
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7.749 ( ρ calc. Mineralienatlas ) |
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vollkommen {001} |
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muschelig |
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spröde |
(Co-)Type locality
Preface
Author (Name, Year) |
Peretyazhko & Zagorskiy & Sapozhnikov & Bobrov & Rakcheev, 1992 |
Other languages
German |
Bismutocolumbit |
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Spanish |
Bismutocolumbita |
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French |
Bismutocolumbite |
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English |
Bismutocolumbite |
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Russian |
Висмутоколумбит |
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Japanese |
蒼鉛コルンブ石 |
CNMNC (IMA)-Number
IMA 1991-003 |
CNMNC symbol
Symbol |
Bclb |
Automatic Links to external internet sources (Responsibility is with the operator)
Mineral Dealer
Locations with GPS information
IDs
GUSID (Global unique identifier short form) | _vNWfC-t10mYGIH-eps8DQ |
GUID (Global unique identifier) | 7C56F3FE-AD2F-49D7-9818-81FE7A9B3C0D |
Database ID | 412 |