TRISTRAMITE


Meaning of TRISTRAMITE in English

General Information:

Chemical Formula:

(Ca,U++++,Fe+++)(PO4,SO4)·2(H2O)

Composition:

(Molecular Weight = 232.32 gm)

Calcium 10.35 % Ca

Uranium 30.74 % U

Iron 2.40 % Fe

Phosphorus 10.00 % P

Hydrogen 1.74 % H

Sulfur 3.45 % S

Oxygen 41.32 % O

Empirical Formula:

Ca0.6U0.3Fe3+0.1(PO4)0.75(SO4)0.25·2(H2O)

IMA Status:

Approved IMA 1982

Physical Properties:

Cleavage:

None

Color:

green yellow or light yellow.

Density:

3.8 - 4.2, Average = 4

Diaphaniety:

Translucent

Hardness:

3-4 - Calcite-Fluorite

Luster:

Greasy (Oily)

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .