China Lava Stone Rock, Volcanic Rock,Black Pumice

China Lava Stone Rock, Volcanic Rock,Black Pumice

Volcanic stone is a stone formed by magma after the volcanic eruption. This stone is very rough and covered with small holes. It is rich in minerals and trace elements. It is a very precious stone.

Volcanic stone has red, black, blue, gray, and so on. The colors vary in weight and the uses vary. It is a gas-rich melt slurry sprayed into the air to condense, the gas contained in it swells and escapes, leaving pores, forming a slag-like appearance, black, dark brown, and the pores are often irregular, round and oblong, and the size It ranges from a few millimeters to 10 centimeters and is distributed around the crater.

Different Size Black Volcanic Rock다른 크기 검은 화산 바위

Black Volcanic Rock검은 화산암

Black lava rock stock검은 용암 바위 재

https://www.graniteslab.net/stone-gallery/lava-stone