NEW
Font size
S
M
L
XL
WorksheetsMineral ID and Formation
Total questions: 26
Worksheet time: 35mins
Name
Class
Date
1.
_?_ is determined by scratching a mineral with other minerals.
a)
Fracture
b)
Hardness
c)
Streak
d)
Color
2.
The tendency for a mineral to split along specific planes of weakness to form, smooth flat surfaces.
a)
cleavage
b)
fracture
c)
crystallization
d)
hardness
3.
The color of the powdered form of a mineral found by rubbing a mineral against a white tile.
a)
luster
b)
cleavage
c)
streak
d)
fracture
4.
Diamond has a hardness of ___ on Mohs Hardness Scale.
a)
1
b)
5
c)
8
d)
10
5.
What term refers to the regular, geometric shapes that occur in many minerals?
a)
fracture
b)
crystal
c)
composition
d)
none of the above
6.
The tendancy for a mineral to break along curved, irregular shaped surfaces refers to?
a)
mineral
b)
luster
c)
hardness
d)
fracture
7.
Which of the following is NOT a characteristic of a mineral?
a)
streak
b)
crystal structure
c)
inorganic
d)
chemical composition
8.
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
9.
The softest minerals is _?_
a)
Quartz
b)
Topaz
c)
Talc
d)
Amethyst
10.
You are in California playing around in a stream when you come across a substance that appears to be gold. Which test would be the most inaccurate in determining if it is gold?
a)
color
b)
streak
c)
hardness
d)
density
11.
Hardness of 2-3, cubic crystals and cleavage, and tastes salty.
a)
calcite
b)
halite
c)
quartz
d)
gypsum
12.
Hardness of 3, rhombic cleavage and crystals, and fizzes in acid.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
13.
Hardness of 7, conchoidal fracture, hexagonal crystals, and vitreous luster.
a)
calcite
b)
halite
c)
gypsum
d)
quartz
14.
Metallic gray cubes, hardness of 2-4, high specific gravity (feels very heavy for its size).
a)
gypsum
b)
copper
c)
galena
d)
hornblende
15.
Yellow metallic, hardness 6-7, cubic crystals, conchoidal fracture, greenish-black
a)
pyrite
b)
gold
c)
sulfur
d)
kaolinite
16.
Metallic to earthy gray, hardness of 1-2, unclear cleavage, writes on paper
a)
graphite
b)
galena
c)
pyrite
d)
hematite
17.
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
18.
Pearly, opaque, hardness of 1, indistinct cleavage, soapy feel
a)
talc
b)
gypsum
c)
calcite
d)
kaolinite
19.
Adamantine luster, hardness of 10, octahedral cubic crystals
a)
quartz
b)
corundum
c)
hornblende
d)
diamond
20.
Hexagonal crystal, conchoidal fracture, many colors but often red to brownish-gray, hardness of 9
a)
corundum
b)
diamond
c)
potassium feldspar
d)
hematite
21.
The mineral in the picture has a _?_ luster.
a)
nonmetallic
b)
metallic
c)
pearly
d)
earthy
22.
What mineral property is shown in the picture?
a)
cleavage
b)
hardness
c)
streak
d)
fracture
23.
What mineral property is shown in the picture?
a)
hardness
b)
cleavage
c)
fracture
d)
streak
24.
Which mineral property is being shown here?
a)
luster
b)
hardness
c)
cleavage
d)
streak
25.
Which property of minerals does the photo represent?
a)
fracture
b)
streak
c)
luster
d)
cleavage
26.
The way a surface (of a mineral) reflect light. Either metallic or nonmetallic:
a)
cleavage
b)
streak
c)
luster
d)
reflection
Reset
