This museum exhibits a collection of rare ulexite.

This beautiful apophyllite is part of my treasure collection.

He searched the forest to find a red junglefowl.

The cumulonimbus clouds floating in the sky indicate that a thunderstorm is near.

He is an expert in gemology, and he is good at evaluating the quality of diamonds.

We conducted a meta-analysis on this issue.

I often read e-books.

This beautiful zoisite is part of my collection.

This drink contains carbonic acid.

On a cold winter night, a kerosene heater is indispensable.