Minerals Crossword
This printable crossword puzzle on the topic of Rocks & Minerals has 14 clues. Answers range from 3 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
a naturally formed, inorganic solid that has a definite crystalline structure
a substance that cannot be separated or broken down into simpler substances by chemical means
a substance made up of atoms of two or more different elements joined by chemical bonds
a solid whose atoms, ions, or molecules are arranged in a definite pattern
a mineral that contains a combination of silicon, oxygen, and one or more metals
a mineral that does not contain compounds of silicon and oxygen
the way in which a mineral reflects light
the color of powder of a mineral
the splitting of a mineral along smooth, flat surfaces
the manner in which a mineral breaks along either curved or irreglur surfaces
a measure of the ability of a mineral to resist scratching
the ratio of the mass of a substance to the volume of the substance
a natural material whose concentration of economically valueable minerals is high enough for the material to be mined profitably
the process of returning land to its original condition after mining is completed
