

History and origin
Under the name 'black granite' the trade often refers to dark rocks such as gabbros, diabases or anorthosites rather than granites in the strict sense. Atlantic Black is an imported material widely available on the international market. Like other blacks, it is widely used in kitchens, furnishings and funerary art. Marmi di Carrara supplies it on request.
Look and veining
The background is black, with small grey specks distributed fairly evenly. The slabs are generally regular, with slight differences in the density of the speckling. Polishing gives a deep, reflective black, while a brushed or satin finish produces a softer graphite effect.
Technical properties (indicative)
| Classification | commercial granite (dark igneous rock) |
|---|---|
| Bulk density | approx. 2,800-3,000 kg/m³ (indicative) |
| Mohs hardness | approx. 6-7 |
| Water absorption | very low |
| Main use | interiors and exteriors |
| Acid resistance | good |
Recommended uses
Excellent for kitchen worktops, bathroom vanity tops, thresholds, windowsills and cladding. It is also suitable for outdoor floors, steps and memorials. On polished indoor floors it tends to show dust and footprints more than light stones.
Care and maintenance
It is barely absorbent and is cleaned with water and a neutral detergent. Avoid waxy detergents that leave smears on polished black. A microfibre cloth helps keep the surface shiny.
Pairings
- white statuary marbles
- natural oak
- brushed steel
FAQ
Is it a true granite?
Commercially yes; petrographically many 'black granites' are basic rocks such as gabbros, which are nonetheless hard and durable.
Does polished black show marks?
It shows fingerprints and limescale more easily; a satin or brushed finish is more practical in everyday use.
Can it be used outdoors?
Yes, it resists frost and weathering; for floors a textured finish is advisable.
How do I order it?
On request: send us dimensions and finish and you will receive a quote and photos of the slabs.
Granito Atlantic Black: available on request
We supply this stone as blocks, slabs, tiles and custom-made pieces. Tell us size, thickness and quantity: we will send photos of the available slabs and a quote within 24 hours.
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