Calcite and Pyrite from the Homestake Mine, South Dakota. Nice little clear fishtail calcites perched within brownish iridescent pyrite crystals. $90

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