Blackgrand stone india pvt ltd

The Blackgrand Marble i. , e Nero marquino design and absolute black marble is available for sale in Gangsaw sizes
The Black grand marble is ideal for flooring, cladding, sculptures, monuments, fire places, frames, vases, table tops, kitchen tops and artifacts. This is an exclusive black marble rarely available. The blocks and slabs are in uniform colours and available at competitive prices for large quantities.
We have gangsaw sizes available with various thicknesses 16mm / 18mm / 20mm
The black marble, because of the metamorphism, takes very good mirror polish. It is amenable for soft cutting and can yield to any sizes of blocks from small block to jumbo gangsaw sizes. The block size ranges from 240cm to 400cm X 140 X 180cm. The marble retains the chemical and physical property of the traditional limestone after metamorphism;
The chemical composition as follows:
1. Caco3: 85 to 95%
2. Sio2: 9 to 12%
3. Al2o3: 1. 32%
4. Mgo: 0. 10%
5. Fe2o3: 0. 62
As far as the Physical perperties are concerned the compressive strength is 629 KG / cm2, Bulk Density 2, 690 KG / cm3 and Water absorption 0. 17 percent

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