Rocks and Minerals Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 4 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Not formed from plants or animals
Color left behind by a mineral on a white tile
How light reflects from the surface
Pattern of the atoms
Breaks smooth and reflects light
Breaks in jagged or rough edges
a scale of 1-10 that is used to identify a certain rock
Minerals that are mines and sold for a profit
Natural fuels that come from the remains of living things
The main Rock found on the ocean floor
The main rock found on land
Form when melted rock material from inside earth cools
Form as loose particles are compacted together
Can help identify a type of rock but isn't a main source of ID
A type of rock that has changed by extreme heat or pressure