Topic 2: Lesson 2: Minerals Flashcards

Earth's Systems

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1
Q

a naturally occurring solid that can form by inorganic processes and has a crystal structure and definite chemical composition.

A

mineral

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2
Q

the repeating pattern of a mineral’s particles forms a solid

A

crystal

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3
Q

color of its powder; to test it- drag across porcelain plate and determine color of the powder

A

streak

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4
Q

the way a mineral reflects light; words that describe it are metallic, nonmetallic, waxy, glassy, pearly, etc.

A

luster

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5
Q

a property of minerals and they may come in many colors; shouldn’t be the only way to identify a mineral

A

color

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6
Q

how to solve for density

A

density = mass/volume

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7
Q

a mineral’s ability to split easily along flat surfaces.

A

cleavage

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8
Q

the way a mineral looks when it breaks apart in an irregular way

A

fracture

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9
Q

how a mineral breaks

A

cleavage and fracture

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10
Q

having very unique characteristics (fluorescence; magnetism, radioactive, electrical)

A

special properties

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11
Q

the arrangement of atoms, ions, or molecules in a regular way to form a crystal; number of faces or sides and the angles at which they meet

A

crystal structure

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12
Q

a measure of how easily a mineral can be scratched

A

hardness

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13
Q

a scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals

A

Mohs hardness scale

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14
Q

naturally occurring

A

not man made

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15
Q

to form from materials that were not a part of living things.

A

inorganic processes

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16
Q

a mineral always contains certain elements in definite proportions

A

definite chemical composition

17
Q

of, relating to, or derived from living matter.

A

organic

18
Q

the process by which atoms are arranged to form a material with a crystal structure

A

crystallization

19
Q

quick cooling, leaves little time for crystals to grow and forms small crystals

A

cooling of lava

20
Q

cools slowly; formation of large crystals

A

cooling of magma