Commercial Varieties:
Blue Sapphire, Yellow Sapphire, Pink Sapphire, White Sapphire, Pink Sapphire, Purple Sapphire, Colour-changing Sapphire (Purplish Blue to Bluish Purple), Star Sapphire, Alexandrite, Chrysoberyl Cat’s Eye, Spinel, Aquamarine, Amethyst, Citrine, Hessonite, Almandine Garnet, Zircon, Brown to Black Tourmaline, Moonstone

Very Rare Varieties:

Taaffeite, Cobalt Spinel, Kornerupine, Star Spinel