5th Grade Science --4.4 Crossword

This printable crossword puzzle on the topic of Rocks & Minerals has 10 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

used in our pencils
principal component of plaster of Paris
an arrowhead is made of this
unique characteristic of forming large crystals which break into flat sheets
a substance that forms a special kind of solid called a crystal
"mudball" ; crystal formations made of calcite, quartz, or other minerals
the hardest of all substances
rare, beautiful minerals which are very hard
the rarest gemstone
scientists who study minerals