GEMMOLOGICAL PROPERTIES

Diamond

Family:

Carbon

Crystal System:

Cubic

Specific Gravity:

3.51

Hardness:

10

Refractive Index:

2.417

Chemical Composition:

C

Birefringence:

None

Pleochroism:

None

Lustre:

Adamantine

Fracture:

Conchoidal

Cleavage:

111- Perfect