REALGAR


Meaning of REALGAR in English

General Information:

Chemical Formula:

AsS

Composition:

(Molecular Weight = 106.99 gm)

Arsenic 70.03 % As

Sulfur 29.97 % S

Empirical Formula:

AsS

Name Origin:

From the Arabic, rahj al ghar, "powder of the mine;"

Physical Properties:

Cleavage:

[010] Good

Color:

aurora red, orange yellow, or dark red.

Density:

3.56

Diaphaniety:

Transparent to translucent

Habits:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Granular - Common texture observed in granite and other igneous rock., Druse - Crystal growth in a cavity which results in numerous crystal tippe

Hardness:

1.5-2 - Talc-Gypsum

Luminescence:

None.

Luster:

Sub Metallic

Streak:

orange

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .