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Rocks and Minerals
Question | Answer |
---|---|
What is a mineral? | A solid nonliving material with chemical makeup. |
Where are minerals found? | In the crust of the Earth. |
Some properties we use to identify minerals are...? | Luster, color, hardness, texture, streak, cleavage. |
What is luster? | The way a mineral shines or reflects light. Metallic or Non metallic |
What is streak? | the color of a mineral when it is ground into powder. |
What is hardness? | the measure of how easily a mineral can be scratched. |
What is cleavage? | the tendency of a mineral to split evenly on flat surfaces. |
How is color determined? | by the mineral's chemical makeup. |
what is texture? | the way something feels. |
What is a rock? | A solid made up of one or more minerals. |