Tag Archives: Superb
Superb crystals of Gartrellite on Carminite From Namibia
GartrelliteFormula: Pb(Cu,Fe3+,Zn)2(AsO4,SO4)2 · 2(H2O,OH)System: TriclinicColour: Greenish yellowLustre: EarthyHardness: 4½ Strengite Formula: FePO4 · 2H2O System: Orthorhombic Colour: Purple, violet, pink, … Hardness: 3½ – 4 From: Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia Credit: Christian Rewitzer FMF Geology IN