TOMICHITE


Meaning of TOMICHITE in English

General Information:

Chemical Formula:

(V,Fe)4Ti3AsO13(OH)

Composition:

(Molecular Weight = 647.82 gm)

Titanium 22.17 % Ti

Vanadium 30.67 % V

Iron 0.86 % Fe

Arsenic 11.57 % As

Hydrogen 0.16 % H

Oxygen 34.58 % O

Empirical Formula:

V4+3.9Fe3+0.1Ti3AsO13(OH)

IMA Status:

Approved IMA 1979

Locality:

Kalgoorlie, WA., Australia.

Name Origin:

Named for Stephan A. Tomich (1914-), consulting geologist who discovered the mineral.

Physical Properties:

Cleavage:

None

Color:

black.

Density:

4.16

Diaphaniety:

Opaque

Habits:

Tabular - Form dimensions are thin in one direction., ,

Hardness:

6 - Orthoclase

Luster:

Resinous

Streak:

black

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .