Final answer:
Feldspar is the most common mineral in the Earth's crust, outpacing the presence of quartz and other minerals.
Step-by-step explanation:
The most common mineral in the Earth's crust is feldspar. Feldspar is a group of minerals that are very abundant in the Earth's crust and they represent a key component of many types of rocks. In particular, if you look at igneous rocks such as granite, feldspar is often the most visible mineral present. Quartzy, another commonly recognized mineral, is also prevalent but not as abundant as feldspar. Silicate minerals, including quartz and feldspars, make up 92% of the Earth's continental crust. The pie chart of mineral distribution in continental crust would indicate that silicates dominate, and out of these, feldspars are the most significant contributors.