Welcome to our Store. Untreated Arizona Spiderweb Turquoise Rough Natural Nugget Gem: Turquoise Color: Blue, Green Shape: Rough Weight: 456cts Size: 55x44x31mm Treatment: None Hardness: 5-6 Refractive Index: 1.62-1.63 Specific Gravity: 2.60 to 2.83 Origin: Arizona Quantity: 1P Birthstone: December Purpose: It is ready to be made into a gorgeous piece of fine jewelry, specimen, collection, or gift! Comment: The turquoises have high hardness. This is Natural Turquoise and does not need to be stabilized. It can be processed directly and made into a gorgeous piece of fine jewelry, and specimen, also used as a collection. If you need any assistance please feel free to message Us here! We Appreciate your Business with Us! We Love our Business!