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and the bottom side crystal
We have seen these selling at substantially higher prices than this for specimens bot as good as this
Size = 301 x 272 x 105 mm
99% of Museums have FAR smaller and less impressive Dioptase specimens in their display than this one
Natural Extremely Rare Poldervaartite 'Olmiite' with Bulfonteinite Specimen x 1 From KMF, N'Chwaning Mine, South Africa DOG TOOTH CALCITE and the bottom side crystalPRODUCT DESCRIPTION Very large, Cabinet sized Poldervaartite and Bultfonteinite Specimen. Blocky Beige Bipyramidical Nesosilicate Crystals growing on and inside of a Ferro Manganese matrix vug formation with short Acicular Bultfonteinite crystals (originally discovered in Bultfontein, Orange Free State, South Africa) This is not super spectacular, but is a good specimen super rare Mineral, renamed recognised as Olmiite in the late 1990s from the
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