SBS Finals C3

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Earth Science 6th Grade

luster

the way in which a mineral reflects light

density

the ratio of mass of a substance to the volume of the substance

mineral

a naturally formed, inorganic solid, not made in a lab, has a definite crystalline structure

hardness

a mineral's resistance to being scratched

atom

the smallest part of an element that has all the properties of that element

crystal

a solid whose atoms, ions, or molecules are arranged in a definite pattern

element

a substance that cannot be separated or broken down into simpler substances by chemical means

silicate

type of mineral that contains oxygen and silicon

hardness

a measure of the ability of a mineral to resist scratching

streak

the color of the powder of a mineral

native element

a mineral that is made up of only one element

non-silicate mineral

a mineral that does not contain compounds of silicon and oxygen

mineral

a naturally formed, inorganic solid that has a definite crystalline structure

streak plate

a piece of unglazed porcelain

ore

a natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably

metamorphism

takes place when changes in pressure, temperature, or chemical make up alter a rock

fracture

the manner in which a mineral breaks along either curved or irregular surfaces

cleavage

the splitting of a mineral along smooth, flat surfaces

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