The Best Crossword Puzzle Maker Online
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Chapter 4

Across
Mineral that splits easily and evenly along one or more flat planes
A measure of how easily a mineral can be scratched
Ratio of the mass of a substance to the mass of an equal volume of water at four degrees Celsius
The way a mineral reflects light from its surface
Solid in which the atoms are arranged in repeating patterns
Valuable minerals that are prized for their rarity and beauty
Down
Mineral that contains a valuable substance that can be mined at a profit
Geometric solid having four sides that are equilateral triangles, resembling a pyramid
Naturally occurring, inorganic solid with a specific chemical composition and a definite crystalline structure
The color of a mineral when it is broken up and powdered
Minerals that contain silicon and oxygen, and usually one or more elements
Minerals that break with rough or jagged edges