Geologist

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate (4)
  2. 3. The remains of a plant or animal that existed in a past geological age and that has been excavated (6)
  3. 4. A common white or colorless mineral used to make cements and plasters (6)
  4. 9. A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals (9)
  5. 11. A common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate (7)

Down

  1. 1. A spring that discharges hot water and steam (plural) (7)
  2. 2. A mineral that occurs in crystals of various colors and is used as a gemstone (5)
  3. 5. Solid homogeneous inorganic substances occurring in nature having a definite chemical composition (7)
  4. 6. A common mineral consisting of crystallized ___ carbonate (7)
  5. 7. Very hard mineral used as an abrasive (8)
  6. 8. Any of a group of hard crystalline minerals that consist of aluminum silicates of potassium (8)
  7. 10. A hard glossy mineral consisting of silicon dioxide in crystal form (6)