Discover the stunning beauty of Mother Pearl New York and Black Pearl Granite with HG Stones Our premium quality stones are ethically sourced and expertly crafted to bring your design vision to life Explore our collection today and add timeless elegance to your home or business. Granite, by definition is an igneous rock with a specific mineral blend consisting of quartz, mica, and feldspar. The name comes from the Latin term “Granum” for grain which refers to the coarse-grained structure. The natural attributes of granite are hardness and toughness which made it a widespread material choice for modern day building.