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Description

APP Black Granite is a dark black gabbro with consistent lighter, fine clear crystals in it and sometimes with fine gold mica points. 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. The veining and colour varies little and a small sample of APP Black granite should be representative of the whole slab however swatch samples must be approved for large projects to ensure that the blocks are all extracted from the same quarry face for matching purposes. 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. APP Black Granite is suitable for both interior and exterior use futhermore is frost resistant and with a constant polish.

Black Granite Shades

As a generalisation most black granite quarries have varying shades of black. This variation in shading is completely natural and usually occurs with the ground level of the quarry being lighter with the deeper the granite is quarried becoming darker, however some quarries may vary in shade along its length or width. The experienced quarryman knows where the lighter and darker shades are and can supply to the customer's preferences. All of our Indian black granites are from the Deccan Plateau.

NOTE: It is a fact that some unscrupulous dealers will actually dye the lighter shades and try to sell them as the Ultimate Black, Premium Black or Absolute Black product at its correspondingly higher price, with totally normal usage these "doctored" blacks will lose their artificially applied darkness. To check for dying try the lemon juice or acetone test. Do ensure that the granite is washed clean before doing this otherwise it may simply be general dirt. Take a clean white rag and apply some lemon juice or acetone to the granite surface. If any residue or black appears on the rag then it has been dyed. Also, if you have several small sample choices, leave a drop of the lemon juice for five minutes on the polished surface, wipe the surface clean and observe the results, once again any dull spot or patch and the material has been doctored.

Needless to say we never use colour enhancers.


To assist all potential black granite purchasers we have produce an Absolute Black Granite Guide.

Products

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

Surface Finishes

APP Black 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.

Sealing

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

Synonyms

Indian Dark Grey, Indian Impala, Indian Rustenburg

Quarry Location

From our own sheet bedrock quarry near Tiruvannamalai, Tamil Nadu, Southern India.

APP Black Granite Sample

APP Black Granite Sample Image

Granite Slabs

APP Black granite slabs are available in standard 20mm and 30mm thickness for random slabs, cut-to-size (dimensioned) and prefabricated to the customer's specifications, 40mm thick are produced but are not usually held in stock for immediate despatch.

Standard Slab Sizes
Large Gangsaw(2800mm & above x 1800mm & above)
Medium Gangsaw(2200mm & above x 1200mm & above)
Vertical Cutter(2200mm & above x 600~900mm)

Premium Quality Slab Sizes
When available 3000+mm x 2000+mm

Granite Countertops
Free length or made to your dimensions, standard sizes are
2400~3200 x 600/630/700/900/1000/1200 x 30 mm

Memorial/Monumental Slabs
50mm through to 200mm thick are cut to customer specifications, please Contact Us with the material(s), sizes and finishes you require.

Granite Tiles

APP Black granite Premium & Commercial quality calibrated, bevelled & grooved matching granite tiles.

Standard Tile Sizes
305 x 305 x 10 mm (12" x 12" x ⅜")
610 x 305 x 10 mm (24" x 12" x ⅜")
400 x 400 x 10 mm (15¾" x 15¾" x ⅜")
457 x 457 x 10/12 mm (18" x 18" x ⅜~½")
610 x 610 x 15/18 mm (24" x 24" x ⅗~¾")

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.

CE Marking Of Natural Stone

Contractors can be responsible for the accuracy of the data, to learn more about this directive please read here.

Technical Specifications

Tensile strength after freeze-thaw cycles: kg/cm2
Unitary modulus of bending tensile strength: kg/cm2
Water imbibition coefficient:
Mass by unit of volume: kg/m3
Hardness (Moh's Scale):

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

Gabbro

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.

Basalts may be broadly classified on a chemical and petrographic basis into two main groups: the tholeiitic and the alkali basalts. Tholeiitic basaltic lavas are characterized by calcic plagioclase with augite, pigeonite or hypersthene, and olivine (rarely) as the dominant mafic minerals; basalts without olivine are also well represented. Tholeiitic basalts, which contain 45 to 63 percent silica, are rich in iron and include the tholeiites (basalts with calcium-poor pyroxene).

Granite Quarry Blocks

This is a medium-sized granite quarry yielding several, 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.

Granite Saws Image
APP Black Granite Polished Slab Image
Warehouse Image
Granite Quarry Image

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