The following minerals serve as references for the Moh's scale to help determine the approximate hardness of an unknown mineral: 1) Talc 2) Gypsum 3) Calcite 4) Fluorite 5) Apatite 6) Orthoclase 7) Quartz 8) Topaz 9) Corundum 10) Diamond This is the ratio between the weight of a mineral and the weight of water with volume equal to that of the mineral.
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is serve serve as references for the Moh's scale to help
the ratio between the weight of a mineral and the weight of water with volume equal to that of the mineral
as references for the Moh's scale
determine the approximate hardness of an unknown mineral