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Tapiolite

Pictures (1 Images total)

Tapiolit X
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Tapiolit X
Größe: Kristall 18x17x13mm; Fundort: Sundrum Mine, Golconda, Governador Valadares, Minas Gerais, Brasilien
Copyright: Aletsch; Contribution: Philip Blümner
Location: Brasilien/Südosten (Região Sudeste)/Minas Gerais/Doce-Tal/Governador Valadares/Golconda-Pegmatit/Sundrum Mine
Mineral: Tapiolite
Image: 1153231719
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Tapiolit X

Größe: Kristall 18x17x13mm; Fundort: Sundrum Mine, Golconda, Governador Valadares, Minas Gerais, Brasilien

Copyright: Aletsch
Contribution: Philip Blümner 2006-07-18
Locality: Sundrum Mine / Golconda-Pegmatit / Governador Valadares / Doce-Tal / Minas Gerais / Südosten (Região Sudeste) / Brasilien

You find additional specimen at the Geolitho Museum

Collectors Summary

Hardness (Mohs) 6 - 6.5

Additional information / Summary

Eine Mischung aus Ferrotapiolit und Manganotapiolit
Kein anerkanntes Mineral

Chemism

Chemical formula

(Fe,Mn)(Ta,Nb)2O6

Chemical composition

Eisen, Mangan, Niob, Tantal, Sauerstoff

Unit weight: 469.490048475 u; Number of atoms in the formula: 9

Info

Empirical formula:

(Fe0.75Mn0.25)(Ta0.75Nb0.25)2O6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

20.45

6

66.67

15.9994300

95.9965800

Manganese

Mn

2.93

0.25

2.78

54.9380499

13.7345125

Iron

Fe

8.92

0.75

8.33

55.8452000

41.8839000

Niobium

Nb

9.89

0.5

5.56

92.9063820

46.4531910

Tantalum

Ta

57.81

1.5

16.67

180.9479100

271.4218650

Strunz 9th edition incl. updates

4.DB.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
B: Mit mittelgroßen [Kationen]: Ketten kantenverknüpfter Oktaeder
10:Tapiolit-Gruppe

IMA status

Mineralgruppe

Mineral status

Gemenge/Gemisch/Mischkristall

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

6 - 6.5

Preface

Author (Name, Year)

Nordenskiöld, 1863

References

Canadian Mineralogist 34 (1996), 631

Other languages

German

Tapiolit

Spanish

Tapiolita

English

Tapiolite

French

Tapiolite

Japanese

タピオライト

Alternative Name

German

Finbotantalit

Spanish

Finbotantalita

Finbotantalite

German

Polyrutil

Polyrutile

Sgokblite

German

Sgokbölit

Spanish

Sgokbölita

Italian

Sgokbölita

Sgokbölite

Skogblite

German

Skogbölit

Italian

Skogbölita

Spanish

Skogbölita

Tammela-tantalite

German

Tantalit mit zimtbraunem Pulver

English

Tantalite (of Arppe)

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 2oarpoCZaE62RwnTpSjAHA
GUID (Global unique identifier) A6AB86DA-9980-4E68-B647-09D3A528C01C
Database ID 3761