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-