Meaning of ALLACTITE in English

ALLACTITE

General Information:

Chemical Formula:

Mn7(AsO4)2(OH)8

Composition:

(Molecular Weight = 798.46 gm)

Manganese 48.16 % Mn

Arsenic 18.77 % As

Hydrogen 1.01 % H

Oxygen 32.06 % O

Empirical Formula:

Mn2+7(AsO4)2(OH)8

IMA Status:

Accepted IMA 1973

Locality:

TL: Sweden, Nordmark, Moss mn

Physical Properties:

Cleavage:

[???] Good

Color:

brown red, greenish brown, purple red, or pink.

Density:

3.83

Diaphaniety:

Translucent

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Vitreous - Greasy

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .