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WorksheetsMineral Properties
Total questions: 30
Worksheet time: 9mins
Name
Class
Date
1.
Hardness of 2-3, cubic crystals and cleavage, and tastes salty.
a)
calcite
b)
halite
c)
quartz
d)
gypsum
2.
Hardness of 3, rhombic cleavage and crystals, and fizzes in acid.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
3.
Hardness of 7, conchoidal fracture, hexagonal crystals, and vitreous luster.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
4.
Metallic gray cubes, hardness of 2-4, high specific gravity.
a)
gypsum
b)
copper
c)
galena
d)
hornblende
5.
Gold metallic, hardness 6-7, cubic crystals, conchoidal fracture, greenish-black streak. Known as fool's gold.
a)
pyrite
b)
gold
c)
sulfur
d)
kaolinite
6.
Yellow in color, earthy, brittle, hardness of 2-3, has an unpleasant odor.
a)
sulfur
b)
gold
c)
yellow quartz
d)
talc
7.
Thin translucent to transparent sheets (1-D cleavage); colorless or pale color; hardness of 2. One of the micas.
a)
talc
b)
biotite
c)
muscovite
d)
gypsum
8.
Dark colored thin sheets, opaque to translucent, hardness of 2-3, brittle. One of the micas.
a)
hornblende
b)
muscovite
c)
gypsum
d)
biotite
9.
Metallic to earthy gray, hardness of 1-2, fractures rather than cleaves, writes on paper.
a)
graphite
b)
galena
c)
pyrite
d)
hematite
10.
Orange-metal to opaque green non-metal, fracture, high specific gravity.
a)
copper
b)
pyrite
c)
galena
d)
amazonite
11.
Pearly, opaque, hardness of 1, indistinct cleavage, soapy feel.
a)
talc
b)
gypsum
c)
calcite
d)
kaolinite
12.
If a mineral can scratch topaz what is it's hardness range?
a)
8 - 10
b)
7 - 1
c)
8
d)
unknown
13.
Which property of minerals does the photo represent?
a)
fracture
b)
streak
c)
habit
d)
cleavage
14.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
15.
____________ is determined by scratching a mineral with other minerals.
a)
fracture
b)
hardness
c)
streak
d)
abrasion factor
16.
The tendency for a mineral to split along specific planes of weakness to form, smooth flat surfaces is called...
a)
Cleavage
b)
Fracture
c)
Crystallization
d)
Habit
17.
The color of the powdered form of a mineral found by rubbing a mineral against a black or white porcelain tile, is called...
a)
Luster
b)
Cleavage
c)
Streak
d)
Fracture
18.
Which of the following is NOT part of the definition of a mineral?
a)
mixture
b)
crystal structure
c)
inorganic
d)
solid
19.
What is the scale that is used to indicate hardness of a mineral?
a)
Red Scale
b)
Moh's scale
c)
Einstein's Scale
d)
Fracture Scale
20.
Which of the following must be true for a substance to be considered a mineral?
a)
It must be organic
b)
It must be glassy
c)
It must be a gem
d)
It must be naturally occurring
21.
The softest minerals is__________
a)
Quartz
b)
Topaz
c)
Talc
d)
Amethyst
22.
An example of a mineral that is also an element in pure form, or a native element, is...
a)
Water
b)
Salt
c)
Gold
d)
Quartz
23.
If a mineral does not break smoothly, and leaves an uneven surface, we call this...
a)
cleavage
b)
fracture
c)
hardness
d)
inorganic
24.
When a mineral breaks it either cleaves or fractures.
a)
True
b)
False
25.
When a mineral fractures, it will leave behind smooth flat surfaces due to areas of breakage along weak atomic bonds.
a)
True
b)
False
26.
Calcite has excellent cleavage!
a)
True
b)
False
27.
The most unreliable physical property to identify an unknown mineral is luster.
a)
False
b)
True
28.
Exotic coloration due to impurities makes identifying a mineral difficult.
a)
True
b)
False
29.
Sulfur and malachite exhibit exotic coloration.
a)
True
b)
False
30.
The appearance of the streak a mineral leaves behind is a much more reliable diagnostic property than its color.
a)
True
b)
False
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