ATACAMITE


Meaning of ATACAMITE in English

General Information:

Chemical Formula:

Cu2Cl(OH)3

Composition:

(Molecular Weight = 213.57 gm)

Copper 59.51 % Cu

Hydrogen 1.42 % H

Chlorine 16.60 % Cl

Oxygen 22.47 % O

Empirical Formula:

Cu2Cl(OH)3

Environment:

Arid climates with oxidizable copper minerals.

Locality:

Atacam desert province in northern Chile.

Name Origin:

Named after its locality.

Physical Properties:

Cleavage:

[010] Perfect

Color:

green, yellow, yellow green, or black green.

Density:

3.76 - 3.78, Average = 3.76

Diaphaniety:

Transparent to translucent

Habits:

Euhedral Crystals - Occurs as well-formed crystals showing good external form., Fibrous - Crystals made up of fibers., Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

3-3.5 - Calcite-Copper Penny

Luminescence:

None.

Luster:

Adamantine

Streak:

apple green

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .