Soapstone, Wash-Tubs and Sinks
2007-03-21
AMONG the mineral productions the usefulness of which has for centuries remained unknown, and only recently has become to be appreciated, is undoubtedly soapstone, by mineralogists called steatite, and by chemists hydrated silicate of magnesia. The pure material is white, translucent, and looks like soap, while all the varieties haveContinue Reading