Which two gems are special versions of the common mineral corundum (Al₂O₃)?
A)emeralds and rubies
B)emeralds and sapphires
C)aquamarines and emeralds
D)sapphires and rubies

Question

Quizplus · Accepted Answer

Sapphires and rubies are both special versions of the mineral corundum. While rubies are typically associated with a deep red color, sapphires come in a variety of colors such as blue, pink, yellow, and even white.

Which Two Gems Are Special Versions of the Common Mineral