Minerals Question
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Use the chart to answer the questions about mineral hardness.
| Mohs Hardness Scale | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Talc | Gypsum | Calcite | Fluorite | Apatite | Orthoclase | Quartz | Topaz | Corundum | Diamond |
Which statement comparing mineral hardness is true?
- calcite will only scratch gypsum
- calcite will only scratch gypsum and talc
- calcite will scratch any mineral softer than 3
- calcite will scratch any mineral harder than 3