This mineral is called ulexite and has special optical properties.

His nature is very kind, and he is liked by everyone.

Boron is represented by the symbol B and is located in Group 5 of the periodic table.

This area is known for producing a variety of minerals.

She called him by his name.

He is called the smartest in the class.

He often gets treated to dinner by his friends.

He is an expert in optics and has a deep knowledge of laser technology.

This beautiful zoisite is part of my mineral collection.

Cao joined the military as a new cadet.