KOLFANITE


Meaning of KOLFANITE in English

General Information:

Chemical Formula:

Ca2Fe+++3O2(AsO4)3·2(H2O)

Composition:

(Molecular Weight = 732.48 gm)

Calcium 10.94 % Ca

Iron 22.87 % Fe

Arsenic 30.69 % As

Hydrogen 0.55 % H

Oxygen 34.95 % O

Empirical Formula:

Ca2Fe3+3O2(AsO4)3·2(H2O)

IMA Status:

Approved IMA 1982

Physical Properties:

Cleavage:

[???] Good

Color:

yellow, orange, or red.

Density:

3.3

Hardness:

2.5 - Finger Nail

Luster:

Adamantine

Streak:

orange

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .