Current Gemstones discoverd and analyzed in Ethiopia

These stones we have discoverd and analysed and know their depostits Identified Gemstones in samples from Ethiopia · Andesine; (Na,Ca)(Si,Al)4O8, Crystal system: Triclinic, Group: Feldspar

· Opal; SiO2 n(H2O), Crystal system: Non-crystaline, Group: Opal

· Garnet Almandine; Fe3Al2Si3O12, Crystal system: Isometric (cubic), Group: Garnet

· Peridot; Mg2SiO4-Fe2SiO4, Crystal system: Orthorombic, Group: Olivine

· Tourmaline (red, green, blue and yellow); Na(Li,Al)3Al6(BO3)3Si6O18(OH)4 Crystal system: Trigonal, Group: Tourmaline

· Moonstone; KAlSi3O8, Crystal system: Monoclinic, Group: Feldspar

· Sapphire(green, blue and yellow); Al2O3, Crystal system: Trigonal, Group: Corundum

· Ruby; Al2O3, Crystal system: Trigonal, Group: Corundum

· Tektite(natural glass); Mostly Silica, Crystal system: Non-crystalline, Group: Glass-Natural

· Amethyst; SiO2, Crystal system: Trigonal, Group: Quartz

· Topaz (white and pink); Al2(F,OH)2SiO4, Crystal system: Orthorhombic, Group:Topaz

· Smoky quartz; SiO2, Crystal system: Trigonal, Group: Quartz

· Sunstone; (Na,Ca)(Si,Al)4O8, Crystal system: Triclinic, Group: Feldspar

· Epidot; Ca2(Al,Fe)3Si3O12(OH), Crystal system: Monoclinic, Group: Epidot

· Sinhalite; MgAlBO4, Crystal system: Orthorhombic, Group: Sinhalite

· Emerald; Be3Al2Si6O18, Crystal system: Hexagonal, Group: Beryl

· Golden Beryl; Be3Al2Si6O18, Crystal system: Hexagonal, Group: Beryl

· Garnet Hessonite; Ca3Al2(SiO4)3, Crystal system: Isometric (cubic), Group: Garnet

· Zircon; ZrSiO4 + Fe, U,Th, Hf, Crystal system: Tetragonal, Group: Zircon

· Citrine; SiO2, Crystal system: Trigonal, Group Quartz



· Unknown sample; Turned in to Luleå University laboratory for identification. By African Cystal Co. Sweden