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atom

the smallest component of an element having the chemical properties of the element

density

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

element

A substance that cannot be broken down into simpler substances

native

as found in nature in the elemental form

compound

a substance made up of atoms of two or more different elements joined by chemical bonds

crystal

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

mass

a measure of the amount of matter in an object

organic

being or relating to or derived from or having properties characteristic of living organisms

hardness

a measure of the ability of a mineral to resist scratching

streak

the color of the powder of a mineral

fracture

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

luster

the way in which a mineral reflects light

color

the appearance of objects described in terms of a person's perception of their hue and lightness

cleavage

the splitting of a mineral along smooth, flat surfaces

silicate mineral

a mineral that contains a combination of silicon, oxygen, and one or more metals

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