Imperial Topaz on Quartz,Imperial Topaz on Quartz - GEM23-13 - Ouro Preto - Brazil Mineral Specimen,Purple Imperial Topaz - FTN22-39 - Rodrigo Silva district - Brazil Mineral Specimen,83.30ct! Oval Appx 35x24.75 Smoky ,Topaz Crystal Frog Carving | 3.25,