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E science ch3 mrs b
vocab and notes
| Term | Definition |
|---|---|
| mineral | naturally occurring inorganic solid that has a definite chemical |
| crystal | solid in which atoms are arranged in an orderly pattern |
| magma | hot melted rock material benefits the surface |
| silicate | mineral that contains silicon and oxygen |
| hardness | measure of how easily a mineral can be scratched |
| luster | describes the way a mineral reflects light |
| specific gravity | ratio of a minerals weight |
| streak | color of a mineral when it is in powered form |
| cleavage | physical properties of minerals that cause them to break |
| fracture | physical property of some minerals |
| gem | beautiful, rare, highly prized mineral |