Mineral and Rock Puzzle

Mineral and Rock Puzzle

Alyssa J. Wiley

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Across

1. what is allowed in one certain space at a certain time

4. natural, inorganic, crystaline structure, and is a solid

6. a mineral containing oxygen and silicon

7. how a mineral reflects light

9. break along irregular surface

Down

2. a mineral NOT containing oxygen and silicon

3. break along flat surface

5. how hard a mineral on the outside

8. a mineral in powdered for

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