Precious and semi precious stones like ruby, sapphire and spinel
Ruby, sapphires, emeralds, cateyes
Gemstones like ruby , sapphire
Ruby stone
Lapis lazuli
Precious stones, emeralds, ruby, aquamarine, amethyst, citrine, alexandrite
Feldspar, Sunstones, Oregon Sunstone
Refractory cement, calcined alumina powder, pure calcium aluminate cement, high alumina cement, whtie corundum
Rough sapphires & black opals
Moissanite, ruby, sapphire
Blue , yellow, pink sapphire, emerald
K9 crystal loose gemstone, crystal loose gemstone, gemstone, sapphire, synthetic gemstone
Natural sapphires
Gemstones & color stones (spinel, blue sapphires, yellow sapphires, pearls)
Sapphire, emerald, ruby
Natural sapphire, alexandrite, garnet, rubies
Rough & cut australian sapphires
Blue sapphire calibrated
Turquoise, opal, red coral spiny oyster shell, lapis lazuli
Semi precious stones like : blue topaz (swiss, london, sky), citrine, amethyst, labradorite, moonstone
