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Brown Double-Terminated Twinned Calcite from Tonglushan Mine, Hubei, China
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Classic Golden Yellow Calcite Twin from Sokolovskoe Iron Mine, Rudny, Kazakhstan
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Extra Large Bright Orange “Mango” Calcite Twinned Crystal, Xiangyang, Hubei, China
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Gemmy Double-Terminated Dogtooth Calcite Twin from Tonglushan Mine, Daye, Hubei, China
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Golden Gemmy Twinned Calcite Crystal on Stibnite from Nandan Co., Guangxi, China
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Golden Honey Scalenohedral Twinned Calcite on Sphalerite from Elmwood Mine, Tennessee, USA
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Golden Stella Beam Dogtooth Calcite Crystal on Sphalerite from Elmwood Mine, Tennessee, USA
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Huge Rare Pink Calcite Twinned Crystal from Tonglushan Mine, Daye Co., Hubei, China
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Large Bright Orange “Mango” Calcite Twin Double-Terminated Crystal, Xiangyang, Hubei, China
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Large Red Hematite-Included Calcite Crystal on Matrix, Daye Co., Hubei, China
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Large Twinned Flattened Rhombohedral Calcite Crystals Cluster from Xianghualing Mine, Hunan, China
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Transparent Gem Calcite Twinned Crystal from Tonglushan Mine, Daye Co., Hubei, China
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