Mineralogy – MCQ (Multiple Choice Questions)
1. The softest mineral known as per the Mohs scale is
a) Quartz
b) Orthoclase
c) Talc
d) Calcite
View Answer
c) Talc.
The softest mineral known as per Mohs scale is Talc.
2. Galena is an ore mineral of
a) Manganese
b) Copper
c) iron
d) Lead
View Answer
d) Lead.
Galena is an ore of the lead metal.
3. The second softest mineral according to the Mohs scale of hardness is the
a) Quartz
b) Gypsum
c) Talc
d) Calcite
View Answer
b) Gypsum.
The second softest mineral according to the Mohs scale of hardness is the Gypsum.
4. What tools are used to test the hardness of a mineral?
a) fingernail, a
b) Copper penny
c) Streak plate
d) Steel file
e) All of these
View Answer
e) All of these
5. The direction along which a mineral tends to break is called
a) Fracture
b) Form
c) Cleavage
d) All of these
View Answer
c) Cleavage.
The direction along which a mineral tends to break is called cleavage.
6. The mineral with a hardness of 9 on the Mohs scale is
a) Dimond.
b) Corundum.
c) Olivine.
d) Topaz.
View Answer
b) Corundum.
The mineral with a hardness of 9 in Mohs scale is corundum.
7. The mineral with a hardness of 10 on the Mohs scale is
a) Dimond.
b) Quartz.
c) Olivine.
d) Topaz.
View Answer
a) Dimond.
The mineral with a hardness of 10 in Mohs scale is Dimond.
8. Crystal can be grouped into n classes, n is
a) 42
b) 32
c) 24
d) 12
View Answer
d) 12.
9. The hardness of the mineral quartz is
a) 4
b) 5
c) 6
d) 7
e) 8
View Answer
d) 7
10. An isometric or cubic system has _ planes of symmetry
a) 3
b) 6
c) 7
d) 9
View Answer
d) 9
11. Which mineral has a bladed-like structure
a) Kyanite.
b) Slate.
c) Gypsum.
d) Calcite.
View Answer
a) Kyanite.
12. Which one of the following is an economically important mineral?
a) Quartz
b) Feldespar
c) Galena
d) Amphibole
View Answer
c) Galena.
Galena is an economically important mineral.
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