Multiple choice

The most plentiful mineral is _____.

  1. magnesium silicate mineral

  2. feldspar

  3. malachite

  4. alnico

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Feldspars are a group of rock-forming tectosilicate minerals that make up about 41 percent of the Earth's continental crust by weight, making them the most plentiful minerals.