GREIGITE


Meaning of GREIGITE in English

General Information:

Chemical Formula:

Fe++Fe+++2S4

Composition:

(Molecular Weight = 239.96 gm)

Iron 46.55 % Fe

Sulfur 53.45 % S

Empirical Formula:

Fe2+Fe3+S4

Environment:

In part, a biomineral

IMA Status:

Approved IMA 1964

Locality:

Kramer - Four Corners area (Drill cores), San Bernardino Co. California.

Physical Properties:

Cleavage:

None

Color:

blue, blue black, bronze, or pink.

Density:

4.049

Diaphaniety:

Opaque

Habits:

Microscopic Crystals - Crystals visible only with microscopes., ,

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Metallic

Streak:

black

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .