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Moh's Hardness Scale
Question | Answer |
---|---|
How hard is TALC? | 1 |
How hard is GYPSUM? | 2 |
How hard is CALCITE? | 3 |
How hard is FLUORITE? | 4 |
How hard is APATITE? | 5 |
How hard is ORTHOCLASE? | 6 |
How hard is QUARTZ? | 7 |
How hard is TOPAZ? | 8 |
How hard is CORUNDUM? | 9 |
How hard is DIAMOND? | 10 |