Stone is a generic term. It usually means a rock, and chemically it refers to an aggregate of minerals, many of which are complex substances, often based on silicate minerals.
they are made out of stone
stone
Stone.
it is made of stone, hence the word stone.
Gargoyles are made of stone and copper.
Man made stone is known as concrete.
The Rosetta Stone was made in 1799.
Made of Stone was created in 1989-02.
Where stone was available it is made of the local stone, where stone was not available it was made of brick or earth.
Stone.
lime stone
Stone