The term 'Lump of Gold' can be summed up in one word: NUGGET. A NUGGET is a small piece of gold, usually found in nature, that has been separated from its source. It is often used as a form of currency or as a decorative item. Nuggets are also sometimes referred to as 'lumps of gold' due to their shape and size. Nuggets are typically found in rivers, streams, and other bodies of water, and can range in size from a few millimeters to several centimeters.