Marcasite from the Linwood Mine, Iowa. Really well-formed specimen with bright iridescent crystallization. $65

25.25 Gram Wet Ethiopian Opal with a Phantom Opal egg in the center! For some reason this piece reminds me of a clam, and the phantom is a big pearl! A cool piece for a collection. Will be shipped wet! $150. Available on @over_100_dollar_gems