Macrocrystalline quartz refers to refers to crystals that are visible to the naked human eye and includes: amethyst, citrine, smoky, rose quartz, prase, rock crystal, ametrine, tiger eye, hawk eye, aventurine and ferruginous quartz. Instead of writing a complete book on this subject, I will touch on each quartz variety in a series of articles, focusing on some interesting facts that you may find handy when selling your wire jewelry designs. Also included will be a special section on the enormous variety of possible quartz inclusions, as well as heat and other treatments that are used on these already gorgeous gemstones.
Smoky inclusions in water clear quartz from Mt. Ida, Arkansas. Private collection, Dale Armstrong.