This printable crossword puzzle on the topic of Rocks & Minerals has 12 clues. Answers range from 4 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
A solid inorganic substance of natural occurrence
A type of rock that forms from the cooling of molten rock at or below the surface
A solid in which the atoms are arranged in a pattern that repeats over and over
The color of minerals powder
The way a mineral reflects light from its surface
A scale ranking ten minerals from softest to hardest; used the testing hardness of mineral
A Minerals ability to split easily along flat surfaces
The way a mineral looks when it breaks apart in it in the regular way
A hollow rock inside which mineral crystals have grown
The process by which Adams are arranged to form a material with a crystal structure
A mixture that forms when the substance dissolves another
A blood vessel that carries blood back to the heart