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