metamorphic
Black Marble
Metamorphosed Limestone (CaCO3)
AI-generated identification · may be incorrectHardness of 3 on the Mohs scale, dark gray to black color with white veining, vitreous to dull luster, and granular crystal structure.
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Physical properties
Hardness of 3 on the Mohs scale, dark gray to black color with white veining, vitreous to dull luster, and granular crystal structure.
Formation & geological history
Formed through the regional or contact metamorphism of sedimentary limestone or dolostone under intense heat and pressure.
Uses & applications
Used primarily in interior architecture, sculptures, flooring, and decorative carved items.
Geological facts
Black marble is prized for its high contrast veining and has been used in monumental architecture since ancient times.
Field identification & locations
Identified by its dark coloration, prominent veining, and strong effervescence when exposed to dilute hydrochloric acid.
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