Lapis lazuli
Natural sapphires
Feldspar, Sunstones, Oregon Sunstone
Precious and semiprecious gemstones and antiques
Sapphire, emerald, ruby
Natural sapphire, alexandrite, garnet, rubies
Ruby, emerald, yellow sapphire, blue sapphire
Gemstones like ruby, sapphire
Refractory cement, calcined alumina powder, pure calcium aluminate cement, high alumina cement, whtie corundum
Moissanite, ruby, sapphire
Precious gems like yellow sapphire, blue sapphire and rubies
Cubic zirconia, zirconia, synthetic spinel, synthetic aquamarine, synthetic corundum, synthetic ruby, synthetic sapphire, glass stones, cz white, cz brown, cz machine cut, cz korean, cz european, cubic brown
Gemstone
Precious Stones
Amethyst rough, citrine rough, garnet rough, black rainbow rough
Lapis Lazuli
Ruby, sapphire, emerald, tourmaline
Synthetic gemstones like cubic zirconia, spinel, ruby, nano, glass, lab grown emerald, ruby sapphire
Lapis lazuli
Gemstones like ruby , sapphire