We are Investimento Mineral - EI, offering precious and semi-precious stones and also of rough stones to worldwide buyers in small and large quantities. Mineral Price per kilogram in United American Dollars (Usd) Emerald 10.000 usd Morganite 8.000 usd Ruby 15.000 usd Corundum 10.000 usd Beryl 6.000 usd Amethyst 6.000 usd Aquamarine 9.000 usd Tourmaline 7.000 usd Black Tourmaline 7.000 usd Rose tourmaline 6.000 usd Goshenite 6.000 usd Garnet 2.500 usd Rose Quartz 3.000 usd Scapolite 6.000 usd Fluorite 8.000 usd