This is a beautiful jewelry/investment grade Natural Raw Gold Nugget from Australia. It looks kind of like a dragon with it's mouth open. Natural gold nuggets in distinct shapes like this are extremely rare to find. I have searched a lot of gold prospector's gold nugget collections to put together my large collection of special shape natural raw gold nuggets. This beautiful natural gold nugget weighs in at 3.7 Grams (57.1 Grains). It measures 3/4" (20 mm) long. Jewelry/Investment Grade natural Australian Gold Nuggets like this one are known for their high purity. which is typically 94% to 98% pure. It also comes with a certificate of authenticity.