Natural Indian Minerals
Aquamarine Minerals

Name and Composition - Blue gem variety of the mineral beryl; alumino silicate of beryllium: Be3AI2 (Si6O18).

Physical Properties - Light blue to deep marine blue coloured, transparent hexagonal crystals having hardness 8, specific gravity 2.92.

Mode of Occurrence - Occurs in Pegmatites.

Uses - Used as a gem stone.

Mineral based Industries – Nil.

Industrial Prospects – Nil.


Physical Properties
Hardness
Sp. gr.
Colour
Density
Crystal System
8
2.92
Blue
2.72 g/cm3
Hexagonal
Chemical Properties
Formula
Refractive index
Streak
Be3AI2 (Si6O18)
1.577-1.583
White
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