Granite

Word granite comes from the Latin granum, a grain, is an igneous rock and is formed from magma. Indian Granite is massive, hard and tough, and therefore it has gained widespread use as a construction stone. Granite has been extensively used as a dimension stone and as flooring tiles in public and commercial buildings and monuments. Polished granite is also a popular choice for kitchen countertops due to its high durability and aesthetic qualities. It comes in many natural colors depending on their chemistry and mineralogy.

Granite
Specifications

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Bala Flower Granite

Baltic Brown Granite

Alaska White Granite

Black Galaxy Granite

Cappuccino Granite

Crystal Yellow Granite

Ocean Blue Granite

Desert Brown Granite

Exotic Juprana Granite

Kampala Black Granite

Merry Gold Granite

Monte Cristo Granite

Moon White Granite

New Imperial Red Granite

Platinum White Granite

Royal Cream Granite

Tan Brown South Granite

Tropicana Blue Granite

Tropical Golden Granite

Sky Blue Granite

Apple Green Granite

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%