Mohs' Scale of Hardness 3.5 / 5 based on 2 ratings ? GeologyASOCR Created by: Ollie Short (momo)Created on: 03-04-13 12:58 5312971068 Across 1. What reference mineral is a hardness 3? (7) 5. Which reference mineral is easily scratched by a steel nail Fluorite or Apatite? (4) 6. Which reference mineral is hardness 10? (7) 7. What reference mineral is hardness 4? (8) 8. What reference mineral is hardness 2? (6) Down 1. What reference mineral is hardness 9 (8) 2. What is the softest reference mineral (hardness 1)? (4) 3. Which reference mineral(s) can be scratched by a fingernail? (4, 6) 9. What reference mineral is hardness 9? (8) 10. Which is softer Talc or Quartz? (4)
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