USOVITE


Meaning of USOVITE in English

General Information:

Chemical Formula:

Ba2CaMgAl2F14

Composition:

(Molecular Weight = 658.98 gm)

Barium 41.68 % Ba

Calcium 6.08 % Ca

Magnesium 3.69 % Mg

Aluminum 8.19 % Al

Fluorine 40.36 % F

Empirical Formula:

Ba2CaMgAl2F14

Environment:

Fluorite veins.

IMA Status:

Approved IMA 1967

Locality:

Upper Noiby River area, Yenisei region, Siberia, Russia.

Name Origin:

Named for Mikhail Antonovich Usov (1883-1939), Russian geologist.

Physical Properties:

Cleavage:

[???] Perfect

Color:

brown, dark brown, or yellowish brown.

Density:

4.18

Diaphaniety:

Translucent to Opaque

Habits:

Granular - Generally occurs as anhedral to subhedral crystals in matrix., Platy - Sheet forms (e.g. micas).,

Hardness:

3.5 - Copper Penny

Luster:

Vitreous - Greasy

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .