Chapter 26 Flashcards

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1
Q

Mineral

A

A mineral is a naturally occurring inorganic solid with a crystalline form.

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2
Q

Streak

A

The color of a mineral in powdered form.

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3
Q

Cleavage

A

When a mineral breaks along preferred planes of weakness creating a set of smooth parallel sides.

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4
Q

Fracture

A

A mineral that breaks with a irregular surface exhibit.

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5
Q

Hardness

A

The physical property that measures a mineral’s resistance to scratch.

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6
Q

Magma

A

Molten rock material inside Earth.

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7
Q

A mineral is what three things?

A

naturally occuring, inorganic solid & crystline

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8
Q

What are the two most abundant elements that make up Earth’s crust?

A

oxygen & silicon

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9
Q

What does inorganic mean?

A

material that is nonliving

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10
Q

What does the arrangement of an atom and the bonds between them reflect about a mineral?

A

breakage, hardness, & crystal shape

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11
Q

What are all of the ways to identify minerals?

A
  1. streak
  2. luster
  3. cleavage
  4. fracture
  5. atomic arrangement
  6. crystal shape
  7. hardness
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12
Q

What are two types of luster?

A

non-metallic & metallic

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13
Q

How does metallic luster reflect light?

A

very easily, metal-like

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13
Q

How does metallic luster reflect light?

A

very easily, metal-like

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14
Q

How does non-metallic luster reflect light?

A

glassy, waxy, pearly, or earth-y

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15
Q

How do you preform a streak test?

A

rubbing a mineral on an unglazed, white porcelain tile

16
Q

What are the two types of breakage that can happen to minerals?

A

cleavage/fracture

17
Q

What are the two types of breakage that can happen to minerals?

A

cleavage/fracture

18
Q

What is the name of the scale to measure the hardness of a mineral?

A

Mohs Scale of Hardness

19
Q

WHat is the number range on Mohs Scale of Hardness?

A

1-10

20
Q

How many different crystal shape systems are there?

A

6

21
Q

What do minerals grow from?

A

inside-out

22
Q

What are three ways mineral can form?

A

molten rock, hot water, & evaporation

23
Q

What are two mineral groups?

A

silicates & non- silicates

24
Q

Which mineral group in the most abundant in Earth’s crust?

A

silicates

25
Q

What elements are Silicates made up of?

A

silicon & oxygen

26
Q

Non-silicates do not contain what element?

A

Silicon

27
Q

What mineral is used to make glass?

A

Quartz