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MM102 - Calcite $ 1600 Hercules Mine (Negra Mine), La Negra, Mun. Sierra Mojada, Coahuila, Mexico small cabinet - 9 x 8 x 5 cm Spectacular, bright and gemmy Calcite crystals on matrix. Incredibly beautiful Calcite from a little know Mexican locality. Main crystal is 6.5cm tall and accented by numerous smaller crystals. Undamaged. Much better and brighter in person. ©2010-2018 Marin Mineral |