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prior > minerals > Flashcards

minerals Flashcards

1
Q

mineral

A

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

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2
Q

steark

A

the colers of minarals powder when it is rubbed against a porcealin plate

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3
Q

luster

A

the way teh surface of a minaral reflects light

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4
Q

inorgainc

A

not derived from living matter.

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5
Q

crystal

A

a soild formationthat follow a pattern

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6
Q

hardness

A

the abilty of a minaral to scratched or be scratched by another minaral

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7
Q

cleavage

A

the tendency of crystals and minarals to break along definte planes resulting in smooth sufaces

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8
Q

fracture

A

the appearance of a freshly broken suface on a minarale that has a rough or irregualer surface

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9
Q

mohs hardness scale

A

a hardness scale to usedto classify minarlas

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10
Q

forumla

A

a set of chemical symbols showing the make up of a chemical compound

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prior (7 decks)

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