This beautiful fluorite is part of my mineral collection.

This beautiful fluorite is part of my mineral collection.

There are many sweet flags blooming in this pond.

This rare stone is something I found in the mountains.

A beautiful gemstone was embedded in her ring.

Last night, a meteorite fell from the sky.

Realgar is a beautiful red mineral, but it is toxic.

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

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

This rock contains cassiterite.