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Calcite specimens from la Florida mines are known and valued worldwide. Noted for their complex twinned crystals on a prevalent rhombohedra forms, over scalenohedra. In this sample we offer, we have extraordinary crystals in which the predominance of twinned rhombohedrons is very clear and visible. Transparence is excellent, with defined striated faces and edges, undamaged and a visible twin. It has a delicate yellowish tone. It is cleanly implemented on a matrix of dolomite and calcite. A gem of Cantabria, always surprising the collectors for its aesthetics.