DICTIONARY / INDEX
Browse A – Z
9 STONES
Alexandrite (Natural)
NATMohs 8.5 / RI 1.741-1.760
Almandine Garnet
NATMohs 7-7.5 / RI 1.770-1.820
Amber
NATMohs 2-2.5 / RI 1.540
Amethyst
NATMohs 7 / RI 1.544-1.553
Andalusite
NATMohs 7.5 / RI 1.629-1.650
Andesine-Labradorite
NATMohs 6-6.5 / RI 1.543-1.552
Aquamarine
NATMohs 7.5-8 / RI 1.577-1.583
Assembled Opal (Doublet/Triplet)
IMIMohs 5.5-6 / RI 1.37-1.50
Aventurine
NATMohs 7 / RI 1.544-1.553