Rock Puzzel Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Forms when molten rock cools and hardens
Forms when pressure, temperature, and chemicals processes change existing rock
Forms when sediment from older rocks get pressed and cemented together or from precipitation
Mineral grains realign to form bands due to pressure
How light reflects from surface of rock
Color of a rock's powder
Wear away or change appearance or texture of rock by long exposure to air
Do not have bands
Does not have silicate
When a rock can split into geometric shapes
Lava cools quickly on Earth's surface forming small crystals
Magma cools slowly below Earth's surface forming large crystals
Naturally occurring, solid mixture of one or more minerals that may also include organic matter
Series of processes in which rocks change from one type to another
Made of cemented sediment