The Lord protects us.

He feels responsible as the head of the family.

He is the lord of this region.

He is majoring in mineralogy at university.

Mineral oil is often used in the manufacture of cosmetics and pharmaceuticals.

This rock is mainly composed of anorthite.

This rock contains a lot of neutral feldspar, especially andesine.

Plagioclase is one of the main components of the earth's crust.

She was wearing a moonstone necklace.

This rock contains sanidine.