“Green microcrystalline thin crust of malachite on goethite aggregate. The picture shows a portion of a larger sample, size 3.2x2.2x1.8 cm. Sample (#0088). Geological museum, Crimean Branch of UkrSGPI (Simferopol). Found in 2004, Polkanov Y.A.”
Alexander Tischenko - 26th November 2009