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This test compares the resistance of a mineral to a series of reference materials with a known hardness on a scale of 1-10
Origin: Daye
Dongxiang Co
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Rainbow Pyrite on calcite From Daye Co
Cubic Galena with Stand 1 sales This test compares the resistanceCubic galena from the Shuikoushan Ore Field in Changning City, Hengyang City, Hunan Province, China. The crystals feature typical cubic cleavage of the isometric system, with distinct stepped skeletal growth striations clearly visible across all crystal faces. It exhibits intense metallic luster with bright silvery grey specular reflection. The crystals are perfectly euhedral with well developed terminations, sharply defined geometric edges and clean
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