dark grey rock with holes porous texture like lava stone subtle cracks and rough spots

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Dark grey rock with holes. Porous texture, like lava stone. Subtle cracks and rough spots.

Dark grey rock with numerous small and large holes, indicative of a porous, volcanic texture. Has subtle cracks and a generally rough surface, resembling lava stone. The surface's uneven texture and scattered indentations create an irregular pattern across the rock.