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MINERAL FOTO ATLAS Turkestanite / Turkestanit (K,□)(Ca,Na)2ThSi8O20·nH2O Green crystal of Turkestanite. Dara-i-Pioz glacier, Tajikistan. Picture size 5 mm. Collection and foto Thomas Witzke. Ein grüner Turkestanit-Kristall. Dara-i-Pioz Gletscher, Tadzhikistan. Bildbreite 5 mm. Sammlung und Foto Thomas Witzke. © Thomas Witzke |
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