Aragonite is a type of calcium carbonate, and its crystal structure is distinctive.

This beautiful garnet is part of my mineral collection.

This rock contains cassiterite.

There are a lot of pebbles at the bottom of this river.

Nepheline is a very important mineral in mineralogy.

This beautiful serpentine necklace is a gift from my mother.

This rock is made of alunite.

From a crystallography perspective, this peridot has very interesting characteristics.

Vermiculite, in mineralogy, is a type of mineral and is used for various purposes due to its characteristics.

This rock contains chlorite.