Let the beauty and elegance of natural Stone enhance the most precious place in the world. Your Home. Granite…Marble…Soap Stone… At Silva Stone the choice is yours... Unrivaled style and durability. Silva Stone can create a showplace your family can appreciate for generations. Visit our showroom on route 146 across from the Blackstone Valley Mall in Millbury. For the professional custom design of marble, granite, and natural stone, there’s only one, Silva Stone.