Minerals (Goldberg Quiz) TJMS
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19 terms
Terms | Definitions |
|---|---|
 cleavage | tendency to break along smooth, flat surfaces |
| diamond | the hardest known mineral |
| fracture | tendency to break with rough or jagged edges |
| hardness | the measure of how easily a mineral can be scratched |
| mica | a common mineral that breaks along smooth, flat surfaces |
| luster | refelction of light from a minerals surface |
| Mohs | name given to the scale of hardness |
| quartz | a common mineral that reaks with rough, jagged edges |
| streak | color left by powedered mineral on unglazed porcelain |
| talc | one of the softest known minerals, doft enough to leave a streak on paperm commonly used in baby powder |
| pyrite | often confused w/ gold b/c its he same color |
| silicate | minerals containing: silicon, oxygen,a nd one of more other elements |
| mineral | naturally occuring, inorganic solid |
| titanium | durable, lightweight metal (often used to make hip replacements b/c it is non toxic and strong) |
| gems | valuable, rare and beautiful minerals (often used in jewlery) |
| ores | minerals mined at a profit |
| magma | hot, melted rock beneath the earth's surface |
| atoms | the crystal system depends on how the _____ line up |
| element | a mineral can only be composed of one _______ |
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