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About Marble

What is marble?

When on hearing the word marble, it is the graceful, picturesque astounding icon of love, Taj Mahal that comes to our minds. The white milky marble that sparkles in the reflection in the Yamuna on a moonlite night is justly one of the most venerable vistas in the world. Ancient people made their optimum buildings with either granite or marble. For instance the Egyptians worked chiefly with granite and Greeks with marble. Romans also used marble with great skill. The most famous quarries for marble are Carrara, Italy, which have been used since the time of Emperor Augustus. The finest quarries were discovered later and were made famed by great sculptors, Leonardo da Vinci and Michelangelo.

 

But geographically, what is marble? How is it formed?

Marble is limestone, which has been metamorphosed through the action of heat, pressure and time deep beneath the earth’s surface. The result is a hard composition of crystals running the color gamut from nearly pure white to black. Colored marbles are the result of minerals or small amounts of staining matter. Ranges in many colors and is usually heavily veined and shows lots of grains. Natural quarried marble has highly appealing inherent variations in color and physical properties. The main consistency is calcium and dolomite. Hardness rates from 2.5 to 5 on the MOH Scale.

 

Marble is classified into three categories:

Dolomite: If it has more than 40% magnesium carbonate.
Magnesium: If it has between 5% and 40% magnesium carbonate.
Calcite: If it has less than 5% magnesium carbonate.