Check the listing for details. 59 grams silver and gold. electrum. green gold. Condition: New. Listed at 500.00 USD. The product is a 59 gram piece of electrum, a natural alloy of silver and gold, also known as green gold. This rare and valuable mineral specimen is highly sought after by collectors and investors due to its unique properties and potential for future value growth. With a mix of silver and gold, electrum offers a unique and visually appealing piece for any collector or investor interested in precious metals.