Mineral vocabulary Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 15 clues. Answers range from 4 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What is something that is undividable?
What is an amount of space something takes up?
What is it called when a mineral reflects light?
What type of metamorphic rock forms outside of a volcano?
What type of metamorphic rock forms inside a volvano
What type of rock forms from a volcano?
What type of rock is formed by pressure and has layers?
What is it called for something that has resistance against a mineral?
What is a type of rock that means "change in form?"
What is something that is made up of two elements?
What has mass and takes up space?
What is a measurement that tells how much matter there is in something?
What is mass divided by volume?
What is the same number of atoms that makes up something?
What is a mineral that has a natural geometric structure?