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Mineral
Chapter 1
Question | Answer |
---|---|
mineral | a naturally occuring inorganic solid with a definate chemical compostition and an orderly arrangement of atoms |
crystal | a solid in which the atoms are arranged in orderly repeating patterns |
magma | hot melted rock material |
silicate | a mineral the contains silicon oxygen and usually one or more elements |
streak | the color a a mineral when it is in powder form |
cleavage | a smooth straigh break on a surface |
fracture | a rough bumby break on a surface |
luster | the way a mineral reflects light |
hardness | how easily a mineral can be scratched |
gem | highly pized rare and beautiful minerals |
ore | a mineral or rock that contains a useful substance that can be mined at a profit |