Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

earth science > Unit 3, quiz1 > Flashcards

Unit 3, quiz1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

precious, rare, or valuable mineral

A

gem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

having a uniform structure or composition

A

homogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

formed from non-living materials

A

inorganic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

solid, inorganic substance with a crystalline structure

A

mineral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

mineral from which valuable material is extracted

A

ore

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 5 classifications for a mineral

A

It must be natural
Inorganic
Crystal structure
must be solid
homogeneous structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What means same ratio of elements.

A

homogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

6 different crystal systems

blocks or cubes (example: salt)

A

isometric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

6 different crystal systems

four-sided prisms and double pyramids (example: zircon)

A

tetragonal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

6 different crystal systems

six-sided prisms (example: beryl)

A

hexagonal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

6 different crystal systems

short, stubby crystals with all sides unequal (example: topaz)

A

orthorhombic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

6 different crystal systems

short and stubby, but the sides tilt at each end, like a skewed tetragonal crystal (example: gypsum)

A

monoclinic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

6 different crystal systems

flat with sharp edges, but do not have any right angles (example: feldspar)

A

triclinic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Chemical Composition

largest class

A

silicates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Chemical Composition

found in caves

A

carbonates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Chemical Composition

contain sulfurs

A

sulfides

17
Q

Chemical Composition

contain oxygen

A

oxides

18
Q

How are gems different from regular minerals?

A

Gems are rarer than regular minerals.

19
Q

How are precious metals similar to gems?

A

Both are rare and durable.

20
Q

Minerals can be elements or compounds. T/F

A

True

21
Q

how a crystal breaks or splits when stressed

A

cleavage

22
Q

how a mineral appears to reflect light

A

luster

23
Q

the true color of a mineral in powdered form

A

streak

24
Q

caused by the chemicals in a mineral

A

Color

25
Q

Brian stresses a mineral. It breaks cleanly and evenly, leaving a smooth surface. The cleavage can be described as _____.

A

perfect

26
Q

Luster Types:

opaque and reflective

A

metallic

27
Q

Luster Types:

reflective, like glass

A

glassy

28
Q

Luster Types:

** little to no reflection**

A

dull

29
Q

way light reflects from a mineral

A

luster

30
Q

way a mineral breaks under stress

A

cleavage

31
Q

reveals true, natural color of a mineral

A

streak

32
Q

least reliable property for identification

A

color

33
Q

measured using the Mohs scale

A

hardness

earth science (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions