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Minerals > Minerals > Flashcards

Minerals Flashcards

0
Q

What are the four characteristics of minerals?

A

Forms in nature
Solid
Definite chemical makeup
Crystal structure

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1
Q

Mineral

A

A substance that forms in nature, is a solid, has a definite chemical makeup, and has a crystal structure

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2
Q

How are rocks different than minerals?

A

A rock contains minerals and rocks only have two of the characteristics of minerals

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3
Q

What are the ten characteristics of minerals?

A

Color, streak, luster, cleavage, fracture, density, hardness, fluorescence, magnetic pull, and radioactivity

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4
Q

Is color a reliable test for minerals?

A

No because many can be the same color

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5
Q

What are ways a streak can be described as?

A

Colorless, white, gray, black, red, etc.

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6
Q

Streak

A

The color of a mineral left behind when the mineral is scraped across a surface

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7
Q

Cleavage

A

The tendency of a mineral to break along flat surfaces

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8
Q

Fracture

A

The tendency of a mineral to break into irregular pieces

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9
Q

Texture

A

How the mineral feels

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10
Q

Transparency

A

The amount of light that is able to come through the mineral

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11
Q

Opaque

A

Not able to see through the mineral

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12
Q

Luster

A

The way in which light reflects from its surface

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13
Q

How is luster described?

A

Metallic, glassy, vitreous, earthy, chalky, waxy, silky, or pearly

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14
Q

What mineral is a 10?

A

Diamond

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15
Q

What mineral is a 9?

A

Corundum

16
Q

What mineral is a 8?

A

Topaz

17
Q

What mineral is a 7?

A

Quartz

18
Q

What mineral is a 6?

A

Orthoclase

19
Q

What mineral is a 5?

A

Apatite

20
Q

What mineral is a 4?

A

Fluorite

21
Q

What mineral is a 3?

A

Calcite

22
Q

What mineral is a 2?

A

Gypsum

23
Q

What mineral is a 1?

A

Talc

24
Q

What is the hardness of a steel file?

A

6.5

25
Q

What is the hardness of glass?

A

5.5

26
Q

What is the hardness of a knife blade?

A

5.1

27
Q

What is the hardness of a wire nail?

A

4.5

28
Q

What is the hardness of a penny?

A

3.5

29
Q

What is the hardness of a fingernail?

A

2.5

Minerals (1 decks)

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