Onyx is an aesthetically striking material, considered to be semi-precious stone. It is a sedimentary rock that is... View More
From the dawn of our species to the present day, stone-made artifacts are the dominant form of material remains... View More
Marble was once largely used for building tombs, temples and palaces in past times. For a long time it was considered... View More
India has exotic varieties of natural stones such as granite, marble, slate, sandstone etc., and quite a number of... View More