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RM2798 Andradite, var. melanite
Ca3Fe3+2(SiO4)3
Group of andradite crystals, melanite variety, which show very well defined forms of the dodecahedron, truncated at the edges by those of the trapezohedron. Intense black color, with a semi-matte luster, and small goethite coatings.
Size: 7 x 6.6 x 4.5 cm.
Main crystal: 1.8 cm.
Found in 2020.
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