£175 €199 $229 approx. This specimen is priced in pounds sterling, all other prices are approximate.
A well formed and double terminated crystal of Quartz variety Smoky measuring to 7.6cm spans across the Feldspar-Quartz matrix. The crystal of Smoky is mostly gemmy and lustrous, with excellent terminations, associated with several more terminated crystals of Quartz. From the Giuv Valley, Switzerland.