Question

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?​

Answer 1

Answer:

feldspar, because it has a higher number then gypsum and apatite, and it can be scratched by quartz because it has a lower number.