MINERALS

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Across
  1. 1. minerals that are rare, beautiful, and hard to scratch
  2. 6. examples of _____ include : mica, quartz, feldspar, sulfur, calcite, gypsum, and halite
  3. 7. geologists look at a mineral's ____to identify what kind of mineral it is
  4. 12. a solid, nonliving material, found in nature, that is made of minerals
  5. 13. if a mineral breaks into flat pieces, then it has _____
  6. 14. some minerals react to _____ and form bubbles
  7. 15. the way a mineral shines
Down
  1. 2. a scale that is used to find the hardness of minerals
  2. 3. the first clue to identify an unknown mineral
  3. 4. solid, nonliving material found in nature that has a definite chemical makeup
  4. 5. the color of the mineral in powder form
  5. 8. a mineral that always leaves a reddish-brownish streak
  6. 9. someone who studies rocks and minerals
  7. 10. how well a mineral resists scratching
  8. 11. how the mineral feels