Amethyst with Calcite Overgrowth
Amethyst with Calcite Overgrowth from Guanajuato, Mexico
Collection John Betts - Fine Minerals
Description Plate of deep-purple Amethyst crystals up to 14 mm long with partial overgrowth of white Calcite microcrystals on oriented faces (the calcite is all on faces facing the same direction). Ex. Robert C. Linck (1905-1970).
Locality Guanajuato, Mexico
Dimensions 9 x 6 x 3 cm.
Specimen Grade C
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