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W-bearing Wulfenite

Pictures (1 Images total)

Chillagit
Views (File:
1405589800
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Chillagit
Größe: 2.3 x 2.3 x 1.2 cm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Copyright: Rob Lavinsky; Contribution: Hg
Location: Namibia/Oshikoto (Otjikoto), Region/Tsumeb/Tsumeb Mine
Mineral: W-bearing Wulfenite
Image: 1405589800
License: Usage for Mineralienatlas project only
Chillagit

Größe: 2.3 x 2.3 x 1.2 cm; Fundort: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

Copyright: Rob Lavinsky
Contribution: Hg 2014-07-17
Locality: Tsumeb Mine / Tsumeb / Oshikoto (Otjikoto), Region / Namibia

Collectors Summary

Crystal System tetragonal, I4

Additional information / Summary

Zwischenglied der Stolzit - Wulfenit-Mischkristallreihe

Im Gegensatz zu den Endgliedern kristallisiert das Zwischenglid nicht in der Raumgruppe I41/a sondern I4

Chemism

Chemical formula

Pb(Mo,W)O4

Chemical composition

Blei, Molybdän, Sauerstoff, Wolfram

Unit weight: 389.12447 u; Number of atoms in the formula: 6

Info

Empirical formula:

Pb(Mo0.75W0.25)O4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Oxygen

O

16.45

4

66.67

15.9994300

63.9977200

Molybdenum

Mo

18.49

0.75

12.50

95.9420000

71.9565000

Tungsten

W

11.81

0.25

4.17

183.8410000

45.9602500

Lead

Pb

53.25

1

16.67

207.2100000

207.2100000

Strunz 9th edition incl. updates

7.GA.05

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
G: Molybdate und Wolframate
A: Ohne zusätzliche [Anionen] oder H2O
05:Scheelit-Gruppe

Mineral status

Mineralstatus fragwürdig

Crystallography

Crystal System

tetragonal

Class (H-M)

4

Space Group number

82

Space Group

I4

Cell parameters b (Å)

-

Cell parameters c/b

-

References

Russian Academy of Sciences Fersman Mineralogical Museum, Volume 43 (2008), New Data on Minerals, Founded in 1907 http://www.fmm.ru/pdf/43_en.pdf

Other languages

English

W-bearing Wulfenite

German

W-führender Wulfenit

Alternative Name

German

Chillagit

Italian

Chillagita

English

Chillagite

Lionite (of Krantz)

Italian

Lyonita

Lyonite

Locations with GPS information

IDs

GUSID (Global unique identifier short form) YoIe71H6XESzGoZayCh9KQ
GUID (Global unique identifier) EF1E8262-FA51-445C-B31A-865AC8287D29
Database ID 7366