ruby

This stone has everything a precious gemstone should have: wonderful color, superb hardness and excellent brilliance. Its red is the color of love, radiating warmth and life force.

Formula: Al2O3
Hardness: 9
Density: 3.90 – 4.05 g/cm3
Refractive Index: 1.760 – 1.772 DR: 0.008
Color:
Orange-red, red, purplish-red, pinkish-red
Countries of Origin:
Myanmar, Vietnam, Thailand, Cambodia, Kenya, Tanzania
Birthstone: July

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