This printable crossword puzzle on the topic of Rocks & Minerals has 12 clues. Answers range from 4 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
resistance to being scractched
breakage with no smooth planes
never use this alone when identifying a mineral
compaction and cementation create this rock
molten rock inside the earth
creates metamorphic rock
harmful substance released by humans
how a mineral reflects light
created by the atomic structure in the mineral
breakage with flat and smooth sides
molten rock outside of earth
rescources replaced by nature