PROUSTITE


Meaning of PROUSTITE in English

General Information:

Chemical Formula:

Ag3AsS3

Composition:

(Molecular Weight = 494.72 gm)

Silver 65.41 % Ag

Arsenic 15.14 % As

Sulfur 19.44 % S

Empirical Formula:

Ag3AsS3

Name Origin:

After the french chemist, J. L. Proust (1755-1826).

Physical Properties:

Cleavage:

None

Color:

vermilion or reddish gray.

Density:

5.5 - 5.6, Average = 5.55

Diaphaniety:

Transparent to translucent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Crystalline - Poor - Occurs primarily as crudely formed crystals., Blocky - Crystal shape tends to be equant (e.g . feldspars).

Hardness:

2-2.5 - Gypsum-Finger Nail

Luminescence:

None.

Luster:

Sub Metallic

Streak:

vermilion red

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .