Crystal and stones

Pink gemstones

Hardness. Specific Gravity.

Beryl 7-3/4 2.709-2.810 Diamond 10 3.502-3.564 Ruby 9 4.073-4.080 Spinel 8 3.614-3.654 Topaz (“burnt” or “pinked”), 8 3.500-3.520 Tourmaline 7-1/4 3.024