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Mineral
Naturally occurring, inorganic solid, with an orderly crystalline structure, and a
definite chemical composition
norganic
Composed of nonliving material
Crystal
The repeating pattern of a mineral’s particles forming a solid
Streak
The color of the powder form of a mineral
Luster
Describes how light is reflected from a mineral’s surface
Moh’s Hardness Scale
Used to rank the hardness of minerals.
Hardness
A measure of how easily a mineral can be scratched
Fracture
Tendency of a mineral to break in an uneven, rough, or jagged way
Cleavage
Splits easily along smooth, flat surfaces
Geode
Rounded, hollow rock that is lined with mineral crystals
Crystallization
Process by which atoms are arranged to form a material that has a crystal
Structure
Solution
Mixture in which one substance dissolved in another
. Vein
A narrow channel or slab of a mineral that is different from the surrounding rock
Silicate-
- Mineral that contains silicon and oxygen
Gem -
Beautiful, rare, highly-prized minerals that are often worn in jewelry
ore
A deposit in which a mineral exists in large enough amounts to be mined at a profit