Potassium and sodium feldspar.
Feldspar, limestone and lime.
White limestone, feldspar iron ore pink sapphire.
Quartz powder, raw quartz, raw material of feldspar, feldspar powder.
White raw cacholong opal, feldspar potassium, agates, rubies.
Iron ore,silica sand, quartz,limestone,feldspar,bentonite,dolomite,gypsum,manganese,.
Silica, bauxite iron ore, feldspar, sunstones, tourmalines.
Africa's natural gemstones including diamond, tsavorite, tanzanite, sapphire, emerald, tourmaline, topaz, mossanite, beryl, chrysoberyl, corundum, feldspar, garnet, jade, lazurite, olivine, opal, quartz, spinel and turquoise..