Blue Topaz Faceted Sterling Silver RingA faceted blue stone that holds its color like deep water in afternoon light. Blue Topaz is a fluorine bearing aluminum silicate, Mohs 8, with a vitreous luster that faceting amplifies across a wide color rangefrom the pale sky blue of Swiss Topaz to the saturated London Blue. The stone in this ring is set in solid . 925 sterling silver, the faceted cut chosen to maximize the mineral's strong brilliance and high refractive index. The Romans identified