natural stone black grey basalt and lava stone
1.lava stone is a common extrusive volcanic rock. It is usually grey to black and fine-grained due to rapid cooling of lava at the surface of a planet. It may be porphyritic containing larger crystals in a fine matrix, or vesicular, or frothy scoria. Unweathered basalt is black or grey.
Introduction of volcanic stone:
Features of Volcanic Stone
1) Natural stone, sound absorbing and insulation |
2) heat absorbing and preservation |
3) water absorbing and slide-proof |
4) Acid & alkali proof |
5) |
6) Not permeation |
7) Not poisonous and not odor |
8) Green and environmental-protection products with high quality |
9) Hyperfine and with high quality products |
10) Be used to interior decoration, outside decoration and paving public square |
Application
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