How many minerals are common in Earth's crust?

1 Answer

Mainly 3 groups: feldspars, quartz and pyroxenes.

Explanation:

Minerals ordered in relation to their abundance in Earth's crust :

More than 90% of the crust is composed of silicate minerals

  • Feldspars - 52% (weight)
  • Quartz - 12%
  • Pyroxenes - 11%

5 Most abundant ELEMENTS:

  • O - 46.6%
  • Si - 27.7%
  • Al - 8%
  • Fe - 5%
  • Ca - 3.6%