Her necklace had a beautiful cat's eye stone.

This beautiful zoisite is part of my mineral collection.

This beautiful zoisite is part of my collection.

It is said that this Sekitou is for worshipping ancient gods.

This Ishiganto was installed to pray for traffic safety.

This beautiful apophyllite is part of my treasure collection.

I found a stone centipede in the garden.

Ishigyoubo is my best friend.

Phosphophyllite is a beautiful green mineral that is also used as jewelry.

In organic chemistry, pyruvic acid plays an important role.