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

She is very beautiful.

She was described as very beautiful.

This chemical is very toxic.

The toxicity of this medicine is very high, so please do not take more than the appropriate amount.

This area is known for producing a variety of minerals.

Her red dress was very beautiful.

Her red dress is very bright.

The comb of the chicken is red and very noticeable.

In this old picture, a king wearing a cock's comb is depicted.