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Mineral ID

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

When a mineral breaks along rough, jagged surfaces it's called

a)

fracture

b)

cleavage

c)

hardness

d)

streak

2.

The least accurate way to identify a mineral.

a)

color

b)

hardness

c)

streak

d)

density

3.

The measure of how easily a mineral can be scratched.

a)

streak

b)

color

c)

luster

d)

hardness

4.

The way that a mineral reflects light. It can be metallic or non-metallic.

a)

streak

b)

hardness

c)

fracture

d)

luster

5.

The color left by a mineral in its powdered form.

a)

streak

b)

density

c)

hardness

d)

smudge

6.

What equipment would you need to do a mineral streak test?

a)

a long pointed iron rod

b)

a rough white ceramic tile

c)

a disposable sample of talc

d)

a low powered microscope

7.

In order to be classified as a mineral a substance must be

a)

man-made

b)

organic

c)

able to be scratched by a penny

d)

naturally occurring

8.
The color of a mineral in powder form is called the mineral's 
a)
hardness
b)
specific gravity
c)
luster
d)
streak
9.
Why is coal not a mineral?
a)
It's not a solid
b)
It is man-made
c)
It is not inorganic
d)
It is made of carbon
10.
Refer to the Mohs Hardness Scale. A mineral with a hardness of 7 can scratch -
a)
orthoclase feldspar, but cannot scratch talc
b)
calcite, but cannot scratch apatite.
c)
topaz, but cannot scratch fluorite
d)
gypsum, but cannot scratch corundum
11.

Id the mineral with the following information:

Color: Black to silvery gray

Cleavage: None

Streak: Black

Luster: Black

Hardness: 5 to 6.5

Special Property: Magnetic

a)

Graphite

b)

Magnetite

c)

Pyrite

d)

Galena

12.

Id the mineral with the following information:

Color: Orange, pink or peach

Cleavage: Yes

Streak: White or none

Luster: Non-metallic

Hardness: 6 to 6.5

Special Property: None

a)

Graphite

b)

Feldspar

c)

Pyrite

d)

Sulfur

13.

This means the particles that make a mineral line up in a pattern that repeats over and over again.

a)

Chemical composition

b)

Fracture

c)

Crystal structure

d)

Solid

14.

The roughly 1,000 _____ minerals make up over 90% of Earth's crust and is by far the largest mineral group.

a)

carobantes

b)

halides

c)

oxides

d)

silicates

15.

This mineral forms very small crystals and is a glassy rich green to pale green color and will scratch glass.

a)

Quartz

b)

Olivine

c)

Chalcedony

d)

Orthoclase