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What is a mineral? -
✔a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition
Streak-
✔the color of a mineral in powdered form
Luster-
✔The way a mineral reflects light
Cleavage -
✔the tendency of a mineral to break along flat surfaces
Fracture -
✔the manner in which a mineral breaks along either curved or irregular surfaces
Hardness-
✔a measure of how easily a mineral can be scratched
Density-
✔the amount of matter in a given space
Magnetism -
✔the force of repulsion (pushing) or attraction (pulling) between poles of magnets
Igneous -
✔rock formed from cooled magma or lava
Metamorphic-
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