FONTANITE


Meaning of FONTANITE in English

General Information:

Chemical Formula:

Ca(UO2)3(CO3)4·3(H2O)

Composition:

(Molecular Weight = 1,144.24 gm)

Calcium 3.50 % Ca

Uranium 62.41 % U

Hydrogen 0.53 % H

Carbon 4.20 % C

Oxygen 29.36 % O

Empirical Formula:

CaUO23CO34·3(H2O)

Environment:

Uranium deposit.

IMA Status:

Approved IMA

Locality:

TL: Rabejec deposit (7 km SSE of Lodeve), Herault, France.

Name Origin:

Named for Francois Fontan, mineralogist, University of Paul-Sabatier, Toulouse, France.

Physical Properties:

Cleavage:

[010] Distinct, [001] Distinct, [100] Distinct

Color:

honey yellow.

Density:

4.1

Diaphaniety:

Transparent

Habits:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Aggregates - Made of numerous individual crystals or clusters.,

Hardness:

3 - Calcite

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .