igneous
Lava Stone
Basalt
AI-generated identification · may be incorrectHardness 5-6 on Mohs scale, dark black to gray color, dull luster, vesicular aphanitic texture with high porosity.
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Physical properties
Hardness 5-6 on Mohs scale, dark black to gray color, dull luster, vesicular aphanitic texture with high porosity.
Formation & geological history
Formed from rapidly cooling mafic lava ejected during volcanic eruptions, creating gas bubbles that solidify into rock.
Uses & applications
Used widely in lightweight construction aggregates, landscaping, jewelry making, and aromatherapy essential oil diffusers.
Geological facts
Lava stone is one of the most abundant rock types on Earth and makes up most of the oceanic crust.
Field identification & locations
Easily identified by its lightweight nature and vesicular, porous texture. Found globally near active or extinct volcanic regions.
