Geosphere

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Across
  1. 3. dense, metallic center of Earth
  2. 6. tendency of minerals to break along smooth, flat surfaces
  3. 7. tendency for minerals to break along irregular surfaces
Down
  1. 1. brittle outer layer formed by the crust and uppermost mantle
  2. 2. weak, partially melted layer of the mantle
  3. 4. color of a mineral's powder
  4. 5. thick, rocky middle layer of the geosphere