Mineral Vocabulary and Mohs Hardness Scale Cross Word Puzzle

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.

the color of a mineral's powder
how a mineral breaks apart in an irregular way
a ranking of minerals from softest to hardest
the repeating pattern of a mineral's particles in a solid
how a mineral naturally breaks up into pieces
formed from materials that were and are not living things
a mixture where one substance is dissolved in another
an inorganic solid that has a crystal structure and chemical composition
the way a mineral reflects light from its surface
a hollow rock inside which mineral crystals have grown
the process by which atoms are arranged to form a material with a crystal structure
a narrow deposit of a mineral that is sharply different from the surrounding rock