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Description: Black Pearl Granite is a medium to coarse-grained syenite with a touch of green. 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 syenite. 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 Pearl granite is suitable for both interior and exterior use futhermore is frost resistant and with a constant polish.

Products: Suitable for construction projects both commercial and domestic, prefabricated countertops/worktops, vanities, tiles, backsplashes, paving, fireplaces and memorials.

Surface Finish: Black Pearl granite looks best with a gloss polished surface but is also available as honed, leather/satin, river-washed/antique, thermal/flamed, brushed and sandblast finish. We never use colour enhancers.

Sealing: Test with a small sample. It is possible that a sealant can be used on Black Pearl however excessive attempts at sealing it could actually create a residue film build-up.

Block Sizes: This is a medium-sized granite quarry yielding selectable, grades of granite with blocks suitable for gangsaw size down to economical tile-sized and monument blocks. Extraction commenced in the early 1990s. For commercial projects it is important to ensure that blocks are selected from the same quarry face.

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.

Quarry Location: Black Pearl granite is from a sheet bedrock quarry near Gurajapally Town, Guntur District, Andhra Pradesh, India.

Synonyms: Granito Nera Perla

Syenite: Syenite is a coarse-grained intrusive igneous rock of the same general composition as granite but with the quartz either absent or present in relatively small amounts (<5%). The feldspar component of syenite is predominantly alkaline in character (usually orthoclase). Plagioclase feldspars may be present in small quantities, less than 10%.

Mineral Composition: Average by %

Technical Specifications

Density: Kg/M3

Bulk Specific Gravity:

Water Absorption:

Compressive Strength: N/mm2

Flexural Strength: N/mm2

Modus of Rupture: N.mm2

Hardness (Moh's Scale):

Note: These figures and details are given for guidance purposes only, no reliance should be taken as to their accuracy.


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