Pure marble is a white calcite crystal, but most marble are enriched by impurities which gives it special colors and patterns. Jet black marble is softer and more brittle than granite. White marble is also know as Ziarat white marble, which is one of the purest form of marbles, although gray accents some pieces. It is considered as a luxury material prized for its distinctive mottled look. Our skillful artisan has beautifully crafted each chess piece with special care and attention and make a stunning combination of Jet Black and White marble to meet the taste of chess lovers. Every chess board has black velvet felt on its back side to protect the surface of furniture.