DIAMOND


Meaning of DIAMOND in English

General Information:

Chemical Formula:

C

Composition:

(Molecular Weight = 12.01 gm)

Carbon 100.0 % C

Empirical Formula:

C

Environment:

Gas rich, ultra-basic diatremes from mantle depths (>30 km)and alluvial placer deposits derived from the Kimberlite rocks. Kimberlite = olivine, garnet, pyroxene, and calcite.

Locality:

Kimberly, republic of South Africa. India. Brazil. Ural Mountains, Russia. Murfreesboro, Arkansas, USA.

Name Origin:

From the Greek, adamas, meaning "invincible" or "hardest."

Physical Properties:

Cleavage:

[111] Perfect, [111] Perfect, [111] Perfect

Color:

colorless, white, gray, black, or blue.

Density:

3.5 - 3.53, Average = 3.51

Diaphaniety:

Transparent to Subtransparent to translucent

Habits:

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

Hardness:

10 - Diamond

Luminescence:

Fluorescent.

Luster:

Adamantine

Streak:

colorless

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .