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From Flashcardlet > 6th science minerals > Flashcards

6th science minerals Flashcards

0
Q

Magma that erupts into the Earth’s surface

A

Lava

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1
Q

A solid of a chemical substance with a regular arrangement of its atoms

A

Crystal

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2
Q

A molten underground rock

A

Magma

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3
Q

Naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition

A

Mineral

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4
Q

A member of the mineral group that has silicon and a oxygen in its crystal structure

A

Silicate

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5
Q

A breaking of a mineral along a smooth flat surface

A

Cleavage

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6
Q

The breaking of a mineral along a rough or irregular surface

A

Fracture

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7
Q

Resistance to being scratched

A

Hardness

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8
Q

The way a mineral reflects or absorbs light at its surface

A

Luster

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9
Q

The color of a mineral’s powder

A

Streak

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10
Q

A rare attractive mineral that can be worn as jewelry

A

Gemstone

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11
Q

A rock that contains high enough concentrations of a desired substance

A

Ore

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From Flashcardlet (508 decks)

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