Andradite-198000
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Andradite (Var.: Melanite)
- Locality: Diakon, Nioro du Sahel Circle, Kayes Region, Mali (Locality at mindat.org)
- Size: 5.4 x 4.4 x 3.8 cm.
- Here is an extremely large melanite garnet, impressive in every way - not just for its size, but also for its form and luster. It is also in good condition, with just the one natural attachment contact on the bottom, and some very minor corner wear. The crystal has fine symmetry. Ex. Bill Larson Collection.
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AndraditAndradit (Dana, 1868), chemický vzorec Ca3Fe23+(SiO4)3, je krychlový minerál ze skupiny granátu. Minerál byl nazván po brazilském politikovi, mineralogovi a básníkovi Josém Bonifáciu de Andrada e Silva (1763–1838). .. pokračovat ve čtení