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 Marble Raw

Marble Raw

 Description


Finished marble is result of the raw material which has been gathered from the earth. Marble is made from a combination of sand, soda lime and silica. Marble raw material consists of aluminum hydrate to zinc oxide. The primary component is sand, granular particles of disintegrated rock.

Soda lime: Soda lime is the chemically calcium hydroxide and sodium/ potassium hydroxide. It is a drying agent.

Silica: Silica is a white or colorless crystalline A sedimentary rock composed of siliceous minerals. It has high amount of calcium which is essence of shining. Silica mainly found in association with feldspar and quartz.

Marble raw is granular limestone or dolomite. Marble rock composed of calcium-magnesium carbonate. Marble is a calcium-rich rock, so can take good polish. Often Marble can occur in metamorphic rocks. Metamorphic rocks can be mica schists, phyllites, gneisses and granulites. Often marble consists of Lime or magnesia silicates minerals. Marble has no fossils, and marble tends to dissolve in acidic fluids.

Marble is usually course grained though fine-grained mineral. Marble raw consists of recrystallized calcite or dolomite. Calcite is from limestone and dolomite is from dolomite rock). Marble forms by heat and pressure in earth crust. Pure white marble is most valued. It occurs from polymorphism of limestone. Marble is one of the most popular mineral. It is widely used for building, monuments and sculptures.

Mainly Marble consists of Lime, silica, Magnesium oxide.

Lime (CaO) : 28-32%
Silica (SiO2) : 3-30% (varies with variety)
MgO : 20 to 25%
FeO + Fe2O3 : 1-3%
Marble raw has many colored variations commonly due to various mineral impurities such as iron oxides, clay, silt, sand or chert.