Mathematics, 07.10.2021 05:40 shey89
8 Mineral Hardness Common object Diamond 10 Corundum 9 Topaz Quartz 7 Feldspar 6 Steel file (6.5) Apatite 5 Glass (5.5) Fluorite 4 Iron nail (4.5) Calcite 3 Copper penny (3) Gypsum 2 ] Fingernail (2.5) Talc 1 2. On the Mohs Hardness Scale, which mineral can scratch Gypsum and Apatite, but can be scratched by quartz?
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8 Mineral Hardness Common object Diamond 10 Corundum 9 Topaz Quartz 7 Feldspar 6 Steel file (6.5) Ap...
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