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Granite Stone

Granite Stone is a common and vastly occurring form of intrusive, felsic and igneous rock. Usually having medium to coarse texture, the color of granite can vary from pink to black or dark gray, depending on its chemistry and mineralogy. It is a very hard and tough rock, widely used as a construction stone. Formed from magma, granite is emplaced at depth in the thick crust, formed by the metamorphic aureole or hornfels.
Stone Type




08071681710




Commercial Specifications Technical Specifications

Surface Finish:
Sawn, Honed, Polished, Flamed, Bush-hammered, Sandblasted, Leather finish.

Here it should be noted that some varieties yield appealing results in certain finishes only. Hence the choice of finish should be made cautiously.

Cutter Slab Dimensions:
Length Range 180cm to 240cm
Width Range 60cm to 90cm
Thickness Range 20mm & 30mm

Gangsaw Slab Dimensions:
Length Range 240cm to 300cm
Width Range 120cm to 150cm
Thickness Range 20mm & 30mm

Tiles Dimensions:
Length Range 30cm to 90cm
Width Range 30cm to 60cm
Thickness Range 10mm to 30mm

Edges:
Machine cut, Chamfer, Pencil Edge, Half bullnose, Full bullnose, Rebated Bullnose.

Customization:
We do undertake custom orders of any combination of color, finish, size, thickness, edge profile, etc.




Commercial Specifications Technical Specifications

Physically, commercial granites are Hard, Compact rocks with fine to coarse grains of metamorphic or igneous origin.

Hardness 6 to 7 on Moh's Scale
Density 2.6 to 2.8 Kg/cm3
Compressive Strength 140 to 210 N/mm2
Modulus of Rupture 15 to 25 N/mm2
Water Absorption 0.1-0.6%
Average Wear Less then 1%
Porosity Quite low
Weather Impact Resistant

Chemically, they are igneous/metamorphic rocks composed of quartz, feldspar & ferromagnesian minerals like kriolite, chlorite, garnet, etc. A typical granite will have following chemical composition:
Silica (SiO2) 70-75%
Al2O3 10-15%
CaO+MgO Less then 0.5%
FeO + Fe2O3 2-4%
Alkalies 4-6%
TiO2 Less then 0.5%
Loss On Ignition (LOI) Less then 0.5%





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