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science 7-1 8th grad

science 7-1 8th grade

QuestionAnswer
mineral inorganic, solid material found in nature
luster how light reflects from a minerals surface, metallic or nonmetallic
hardness test of which minerals scratch or are scrached by others
gems rare, valuable minerals that can be cut and polished
crystals solid material with atoms arranged in a repeating pattern
cleavage splitting of a mineral into pieces with smooth, regular surfaces that reflects light Example:Mica
fracture breaking of a mineral into pieces with jagged or rough edges example: Quartz
streak the color produced when a mineral is scratched on an unglazed, white tile
specific gravity compares the weight of a mineral with the weight of an equal amount of water
rock made of two or more minerals
ore mineral that contains something useful and can be sold for a profit
Created by: kmm0602
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