Smoky Quartz Crystals For Sale
No, smoky quartz and topaz are different minerals. Smoky quartz is a silicate with the chemical formula SiO2 and contains aluminum impurities with various free cations. Topaz is also a silicate mineral, though its common chemical formula is Al2(SiO4)(F,OH)2 . Topaz is more rare and expensive than quartz which can be problematic in jewelry.