WorksheetsGuess the Mineral
Total questions: 40
Worksheet time: 29mins
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 2, plastic feel, and 3-D of cleavage (not at 90 degrees). Used in wall board.
a)
calcite
b)
halite
c)
quartz
d)
gypsum
3.
Hardness of 3, rhombic cleavage and crystals, and fizzes in acid.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
4.
Hardness of 7, conchoidal fracture, hexagonal crystals, and vitreous (like glass) luster.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
5.
Metallic gray cubes, hardness of 2-4, high specific gravity (feels very heavy for its size).
a)
gypsum
b)
copper
c)
galena
d)
hornblende
6.
Has various colors, lusters, and hardness values; red-brown streak; opaque
a)
halite
b)
hematite
c)
kyanite
d)
pyrite
7.
Yellow metallic, hardness 6-7, cubic crystals, conchoidal fracture, greenish-black
a)
pyrite
b)
gold
c)
sulfur
d)
kaolinite
8.
Yellow or red, nonmetallic, brittle, hardness of 2-3, has an odor
a)
sulfur
b)
kaolinite
c)
kyanite
d)
talc
9.
Black-green color, vitreous, opaque, hardness of 5-6, prismatic cleavage not at 90 degrees
a)
biotite mica
b)
hornblende
c)
graphite
d)
corundum
10.
Thin translucent to transparent sheets (1-D cleavage); colorless or pale color; hardness of 2
a)
talc
b)
biotite mica
c)
muscovite mica
d)
gypsum
11.
Dark colored thin sheets, opaque to translucent, hardness of 2-3, brittle
a)
hornblende
b)
muscovite mica
c)
gypsum
d)
biotite mica
12.
Metallic to earthy gray, hardness of 1-2, unclear cleavage, writes on paper
a)
graphite
b)
galena
c)
pyrite
d)
hematite
13.
Opaque nonmetal of pale colors, hardness of 6, 2 directions of cleavage, striations (stripes) and lamellae
a)
quartz
b)
fluorite
c)
diamond
d)
potassium feldspar
14.
Vitreous translucent to transparent mineral, hardness of 4, 4-directions of cleavage, glows in UV light, can be multi-colored (used in tooth paste)
a)
quartz
b)
galena
c)
corundum
d)
fluorite
15.
Chalky white to brown nonmetal, opaque, hardness of 2-3, earthy-clay odor
a)
kaolinite
b)
kyanite
c)
talc
d)
sulfur
16.
Pearly, opaque, hardness of 1, indistinct cleavage, soapy feel
a)
talc
b)
gypsum
c)
calcite
d)
kaolinite
17.
Nonmetallic luster, hardness of 10, octahedral cubic crystals
a)
quartz
b)
corundum
c)
hornblende
d)
diamond
18.
Hexagonal crystal, conchoidal fracture, many colors but often red to brownish-gray, hardness of 9
a)
corundum
b)
diamond
c)
potassium feldspar
d)
hematite
19.
Using this scale, which mineral can scratch fluorite?
a)
Talc
b)
Gypsum
c)
Apatite
d)
Calcite
20.
Can a penny scratch fluorite?
a)
Yes
b)
No
21.
Can a glass plate scratch apatite?
a)
Yes
b)
No
22.
Which of these minerals is softer than glass?
a)
Topaz
b)
Corundum
c)
Calcite
d)
Orthoclase
23.
If a mineral could be scratched by a steel file but not by a glass plate , what mineral is it?
a)
Quartz
b)
Topaz
c)
Orthoclase
d)
Fluorite
24.
What mineral property is shown in the picture?
a)
Fracture
b)
Streak
c)
Hardness
d)
Cleavage
25.
What mineral property is shown in the picture?
a)
Cleavage
b)
Hardness
c)
Streak
d)
Fracture
26.
What mineral property is shown in the picture?
a)
Hardness
b)
Cleavage
c)
Fracture
d)
Streak
27.
The mineral in the picture has a ____________ luster.
a)
Nonmetallic
b)
Metallic
c)
Pearly
d)
Earthy
28.
Which property of minerals does the photo represent?
a)
fracture
b)
streak
c)
luster
d)
cleavage
29.
By definition, a mineral has which of the following characteristic(s)?
a)
definite chemical composition
b)
crystal structure
c)
naturally occuring
d)
all of the above
30.
Which indicator would not be good as the only indicator when identifying a mineral?
a)
Color
b)
Breaking Pattern
c)
Specific Gravity
d)
Hardness
31.
Fracture or cleavage of a mineral tells you the:
a)
color
b)
harness
c)
temperature
d)
breakage pattern
32.
a)
Sulfur
b)
Quartz
c)
Mica
d)
Topaz
33.
What mineral is known as "fools gold"?
a)
graphite
b)
quartz
c)
galena
d)
pyrite
34.
The softest mineral on the Mohs Hardness scale
a)
Gypsum
b)
Talc
c)
Diamond
d)
Feldspar
35.
What mineral is this?
a)
magnetite
b)
calcite
c)
sulfur
36.
Muscovite mica will peel off in flat sheets. This is an example of the physical characteristic called ____.
a)
hardness
b)
streak
c)
fracture
d)
cleavage
37.
mineral that fizzes with acid
a)
talc
b)
flourite
c)
calcite
d)
feldspar
38.
rubbing a mineral on a ceramic plate
a)
streak
b)
luster
c)
hardness
d)
color
39.
Metallic gray cubes, hardness of 2-4, high specific gravity (feels very heavy for its size).
a)
gypsum
b)
copper
c)
galena
d)
hornblende
40.
Refer to the Mohs Hardness Scale.
A mineral with a hardness of 7 can scratch-
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 flourite
d)
gypsum, but cannot scratch corundum
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