Which of the following minerals is most stable at Earth's surface?
A)hematite
B)mica
C)olivine
D)pyroxene

Question

Quizplus · Accepted Answer

Hematite is most stable at Earth's surface because it is an oxide mineral that forms through the weathering and oxidation of other iron-rich minerals, making it more stable in the presence of Earth's oxygen-rich atmosphere. Olivine and pyroxene are silicate minerals that are more stable at high temperatures and pressures in the Earth's mantle, and mica, although common in the Earth's crust, is not as stable as hematite at the surface.

Which of the Following Minerals Is Most Stable at Earth's