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2 results found for "Calcite"

  • Crystal Hardness | Shokoro

    The ten minerals that make up the Mohs hardness scale are as follows: talc (1), gypsum (2), calcite ( For instance, the jump in hardness from corundum to diamond is much greater than from calcite to fluorite

  • Dainty Jewelry and Crystal Hardness | Shokoro

    Here's a breakdown of the Mohs scale : Talc Gypsum Calcite Fluorite Apatite Orthoclase Quartz Topaz Corundum

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