It is said that this substance has a high carcinogenicity.

He was observing the distant birds using binoculars.

This area is rich in peridotite.

This mountain is made of tuff.

This dress is made of organdy.

I saw a magpie-goose for the first time in the park.

My new camera comes with a fisheye lens.

This beautiful apophyllite is part of my treasure collection.

This greenschist is geologically very interesting.

This rock is a type called greenschist.