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Here is a double-terminated quartz crystal that has an amethyst phantom in both ends, starting at th..
Here is a colorful, high contrast specimen featuring fine, colorful pyromorphite crystals on a high-..
Here is a superb, highly sculptural cluster of Herkimer Diamonds from the Ace of Diamonds Mine in Mi..
Tabular quartz crystals, sometimes referred to as "tabbies", have two wide, flat sides. Sometimes th..
Here is a knockout specimen of cubic pyrite crystals sitting up on the creamy grayish-tan marl matri..
This drippy piece of copper is highly aesthetic and visually amazing. The color is a brilliant orang..
Here is a drop-dead gorgeous specimen of chalcanthite that is 100% natural, not lab grown. It was co..
Here is a superb specimen of bismuth, lab grown to create large, sharp, perfect crystals. The ..
Over a dozen blue flattened azurite discs are arrayed on white kaolinite matrix on this showy specim..
The 100% natural, untreated emerald crystals on this specimen are colored a gorgeous saturated shade..
The sharp, bright yellow crystals on this great sulfur specimen from Bolivia are set on a thick, stu..
Here is a colorful specimen of turquoise blue shattuckite from the 2015 find in Namibia. The shattuc..
This is a classic Dal'negorsk datolite cluster with sharp, well-terminated, partially gemmy crystals..
This is a lovely specimen of chocolate calcite from Mexico, featuring sharply terminated scalenohedr..
The crystals on this specimen of cuprite are razor sharp, almost geometrically perfect, sharp octahe..
Here is a carrollite specimen that features two good crystals with a brilliant metallic luster in a ..
This is a matrix specimen of weloganite from the long-closed Francon Quarry, St. Michel, Isle Montre..
This rhombohedral crystal cleavage of Iceland spar is an unusually colorful honey-like golden yellow..
This is a vividly colorful specimen of arkanite. It is a lab-grown crystal cluster with no damage an..
Here is a superb specimen of andradite garnet crystals, that is colored metallic gold with an ..
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