metamorphic
Polished brecciated red marble
Calcite marble (brecciated, vein-filled carbonate rock; predominantly CaCO₃)
AI-generated identification · may be incorrectUsually Mohs 3–4, with calcite’s glassy to pearly luster and abundant cleavage; this slab shows dark red-brown carbonate fragments enclosed by white, gray, and pink calcite veins. The highly polished surface and angular clasts indicate decorative dimension stone.
Identified More metamorphic →
Explore Polished brecciated red marble in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Usually Mohs 3–4, with calcite’s glassy to pearly luster and abundant cleavage; this slab shows dark red-brown carbonate fragments enclosed by white, gray, and pink calcite veins. The highly polished surface and angular clasts indicate decorative dimension stone.
Formation & geological history
Formed when limestone or dolostone recrystallized during regional or contact metamorphism, followed by fracturing and mineral-rich fluid veining; typically Paleozoic to Mesozoic, depending on the quarry. Exact age and locality cannot be determined from the image.
Uses & applications
Used for countertops, wall and floor cladding, monuments, tabletops, and ornamental slabs; it is generally unsuitable for harsh outdoor or acidic environments because calcite dissolves and scratches relatively easily.
Geological facts
The pattern is called brecciation: broken carbonate pieces were cemented or reopened and filled by calcite-bearing fluids. Red coloration commonly comes from iron oxides or iron-rich impurities.
Field identification & locations
Identify by its acid reaction, soft calcite hardness, crystalline texture, and continuous polished veining; common sources include Italy, Turkey, Spain, Brazil, and Iran. Avoid vinegar testing on valuable polished material.
More like this
