Calcite (Twinned)

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A very geometrc specimen with several stout, twinned rhombohedrons of calcite, to 5.7 cm across. They are perched aesthetically, on a small amount of sphalerite. The calcite crystals are lustrous and translucent at the edges with a frosted colorless appearance. In fact the frosting is a later generation of gemmier calcite overgrowth on earlier formed calcite. The calcite glows a bright, vivid orange under a fluorescent light. Superb, and very classic in form for older finds here!