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JMO_minerals_hardne
minerals w/hardness property
| Question | Answer |
|---|---|
| sulfur | 2 |
| fluorite | 4 |
| halite | 2.5 |
| quartz | 7 |
| olivine | 6.5 |
| garnet | 7 |
| quartz | 7 |
| talc | 1 |
| native copper | 4 |
| galena | 2.5 |
| graphite | 1-3 |
| aluminum bauxite | 1-3 |
| calcite | 3 |
| gypsum | 2 |
| feldspar | 6 |
| hornblende | 6 |
| dolomite | 4 |
| apatite | 5 |