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Q: Which is the most abundant mineral in the Earth's continental crust ?
  • A. Feldspar
  • B. Quartz
  • C. Pyroxenes
  • D. Micas
Correct Answer: Option A - Half of the earth's crust is composed of Feldspar. Silicon and Oxygen are common elements in all types of Feldspar and Sodium Potassium, Calcium, aluminium etc. are found in specific feldspar variety. Feldspar has light cream to salmon pink colour. It is used in ceramics and glass making.
A. Half of the earth's crust is composed of Feldspar. Silicon and Oxygen are common elements in all types of Feldspar and Sodium Potassium, Calcium, aluminium etc. are found in specific feldspar variety. Feldspar has light cream to salmon pink colour. It is used in ceramics and glass making.

Explanations:

Half of the earth's crust is composed of Feldspar. Silicon and Oxygen are common elements in all types of Feldspar and Sodium Potassium, Calcium, aluminium etc. are found in specific feldspar variety. Feldspar has light cream to salmon pink colour. It is used in ceramics and glass making.