libutron:Calcite with Duftite | ©Crystal ClassicsTsumeb Mine, Tsumeb, Otjikoto Region, Namibia.Mid-g
libutron:Calcite with Duftite | ©Crystal ClassicsTsumeb Mine, Tsumeb, Otjikoto Region, Namibia.Mid-green Duftite has been deposited over much of the display face of the Calcite specimen, which in-turn has been covered in a thin veneer of colourless Calcite. Spotted over the Calcite crystals are spherulites of green Malachite. -- source link