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Mineral Tests
10 words
Question | Answer |
---|---|
mineral | a naturally occuring, inorganic solid that has a crystal structure and a definite chemical composition |
cleavage | a mineral's ability to split easily along flat surfaces |
crystal | a solid in which the atoms are arranged in a pattern that repeats again and again |
properties | a characteristic, quality, or distinctive feature of something |
density | the ratio of the mass of a substance to its volume |
luster | the way a mineral reflects light from its surface |
fracture | the way a mineral looks when it breaks apart in an irregular way |
hardness | (Mohs hardness scale)- a test that ranks minerals from softest to hardest |
color | observed physical property of a mineral |
streak test | a test where a mineral is scratched along a piece of unglazed tile and the scientist looks at the color of the powder |