This is a super nice Jewelry/Investment Grade Natural Australian Gold Nugget specimen. It weighs in at a hefty 11.4 Grams, over a third of a troy ounce, a really nice sized nugget. The nugget measures 1.1" (28 mm) long. This one is real fat in a boulder style. The color is a gorgeous buttery gold color due to the high purity. The purity is estimated at 94% to 98% pure gold, making it among the purest natural gold nuggets in the world. This is a really beautiful super clean jewelry/investment grade natural gold nugget.