Black Galaxy Granite is a fine to medium-grained, black gabbro of the Precambrian period with golden-yellow sparkling broncite scales. This stone internationally may be nominated as a granite but in the area of application of the European Standard this stone must be nominated as a gabbro. During the polishing process a clear epoxy resin filler may be used to fill any micro fissures or tiny pitting however this does not affect the integrity of the stone, it merely provides an even smoother surface finish. Black Galaxy granite is suitable for both interior and exterior use futhermore is frost resistant and with a constant polish.
Suitable for construction projects both commercial and domestic, prefabricated countertops/worktops, vanities, tiles, backsplashes, paving, fireplaces and memorials.
Black Galaxy Granite looks best with a gloss polished surface but is also available as honed, leather/satin, river-washed/antique, thermal/flamed, flamed & brushed, water-jet, bush-hammered, sandblast and sawn finish.
Test with a small sample. It is most unlikely that a sealant can be used on this granite due to the very tight grain formation, attempts at sealing it could actually create a residue film build-up.
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Black Galaxy granite is from our own sheet bedrock quarry Cheemakurti, Bodawada, Prakasam District, Andhra Pradesh, Southern India. There are approximately 50 Black Galaxy granite quarries and all vary in graining, flecking size and notably background colour. For projects do not mix Black Galaxy from different quarry sources since it will most likely be very obvious!
Black Galaxy granite slabs are available in standard 20mm and 30mm thickness for random slabs, cut-to-size (dimensioned) slabs and prefabricated countertops to the customer's specifications, 40mm thick slabs are produced but are not usually held in stock for immediate despatch.
Standard Slab Sizes
Large Gangsaw Slabs (2800mm & above x 1800mm & above)
Medium Gangsaw Slabs (2200mm & above x 1200mm & above)
Vertical Cutter Slabs (2200mm & above x 600~900mm)
Premium Quality Slab Sizes
When available 3000+mm x 2000+mm
Free length or made to your dimensions, standard sizes are
2400~3200 x 600/630/700/900/1000/1200 x 30 mm
50mm through to 200mm thick are cut to customer specifications, please Contact Us with the material(s), sizes and finishes you require.
Black Galaxy granite Premium & Commercial quality calibrated, bevelled & grooved matching granite tiles.
Standard Tile Sizes
305 x 305 x 10 mm (12" x 12" x 3/8")
610 x 305 x 10 mm (24" x 12" x 3/8")
400 x 400 x 10 mm (15 3/4" x 15 3/4" x 3/8")
457 x 457 x 10/12 mm (18" x 18" x 3/8~1/2")
610 x 610 x 15/18 mm (24" x 24" x 6/10~7/10")
Furthermore 305/400/457/610 mm x Freelength, normally up to 2000mm (78.75") for you to cut to length on site. Longer lengths can easily be produced HOWEVER this could possibly create an on-site handling and cutting production challenge.
As you can see our granite tile production size capabilities are extremely flexible, please Contact Us with the material(s), sizes and finishes you require.
Contractors can be responsible for the accuracy of the data, to learn more about this directive please read here.
Compressive Strength: 2077/kg cm2
After Freezing: 2696/kg cm2
Ultimate Tensile Strength: 274/kg cm2
Water Absorption: 0.0045
Volumetric Weight: 2960 kg/m3
Hardness (Moh's Scale): 6.5
Note: These figures and details are given for guidance purposes only, no reliance should be taken as to their accuracy.
A dark-coloured, coarse-grained intrusive igneous rock. Gabbro is very similar to basalt in its mineral make up. It is composed mostly of the mineral plagioclase feldspar with smaller amounts of pyroxene and olivine. Gabbros are found widely on the Earth and on the Moon as well.
There are about 50 Black Galaxy granite quarries. Extraction at the original Black Galaxy granite quarry commenced in the very early 1980s. The quarries vary hugely in size and production levels, granite blocks suitable for gangsaw size down to economical tile-sized and monument blocks are usually readily available however for commercial projects it is important to ensure that blocks are selected from the same quarry face, we must repeat, DO NOT try and match-up with alternative Black Galaxy granite sources.
Rough blocks are usually exported by Break Bulk however intermodal containerisation is available at extra cost. Finished products are packed into sea-worthy wooden crates and loaded into containers.