Three classes of rock

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Across
  1. 3. formed from heat
  2. 6. soft sometimes white sometimes green and be carved
  3. 7. fine grain sedimentary rock formed from mud that has flakes of clay and other minerals
  4. 11. formed from hardened lava
  5. 12. layers color black occurs naturally
  6. 13. Fine Grain Natural Soil is flexible when wet hard when dry
  7. 14. fine grain rock that has a frosted sheen resembling frosted eyeshadow
Down
  1. 1. sedimentary Rock made up of quartz and limestone
  2. 2. fine grain non-foliated no specific in composition rock
  3. 4. made with interlocking quartz pieces
  4. 5. can be white brown green red or yellow can be scratched by a nail
  5. 7. formed from deposits of pre-existing rock pieces
  6. 8. Rock that floats light in color
  7. 9. formed from igneous rock from low velocity lava
  8. 10. a type of limestone made of calcium carbonate