Minerals Flashcards

1
Q

A Substance that is formed naturally in the earth, is inorganic, has a definite chemical composition and has a crystal structure.

A

Mineral

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2
Q

the color of a minerals powder when its rubbed against a porcelain plate

A

Streak

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3
Q

the way the surface of a minerals reflects light

A

Luster

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4
Q

not derived from living matter

A

inorganic

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5
Q

a solid formation that follows a pattern

A

crystal

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6
Q

the ability of a mineral to scratch or be scratched by another mineral

A

hardness

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7
Q

the tendency of crystals and minerals to break along definite planes resulting in smooth surfaces

A

cleavage

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8
Q

the appearance of a freshly broken surface on a mineral that has a rough or irregular

A

fracture

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9
Q

a hardness scale used to classify minerals

A

mohs hardness scale

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10
Q

a set of chemical symbols showing the makeup of a chemical compound

A

formula

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