Tourmaline..
Natural gemstone like black tourmaline.
Semi -precious stones: tourmaline aquamarine, rubelite and cabings.
Gemstones.
Gemstones.
Ruby, sapphire, emerald, spinel, tourmaline, opal, aquamarine, chrysoberyl, alexandrite, cats eye, zircon, garnet, hessonite garnet, amethyst, tanzanite, green garnet (savourite), peridot, quartz, beryls, green beryl.