Natural Minerals

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51. Which mineral is the primary source of aluminum?
a) Quartz
b) Hematite
c) Bauxite
d) Halite

Answer: c) Bauxite
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52. Which mineral is used in the production of cement?
a) Quartz
b) Calcite
c) Feldspar
d) Gypsum

Answer: b) Calcite
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53. Which mineral is the most commonly used in jewelry?
a) Quartz
b) Topaz
c) Diamond
d) Gold

Answer: a) Quartz
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54. Which mineral is used in the production of glass?
a) Quartz
b) Calcite
c) Halite
d) Gypsum

Answer: a) Quartz
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55. Which mineral is used as a natural abrasive?
a) Quartz
b) Corundum
c) Diamond
d) Feldspar

Answer: b) Corundum
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