The articles in this category are precious minerals or also known as gems.
“A Diamond is the hardest mineral in the world. It is composed of pure carbon, the same material...Diamond
“An Emerald is a colored green that is used in jewelry. Emeralds are usually found a transparent...Emerald
“Turquoise is a copper or iron oxide mineral used often in gems. Turquoise is usually found as a...Turquoise
“Peridot is the birthstone of August and can usually be found as a translucent green, and is...Peridot