Natural Selection Crystals

Erika Mine has one of the most colorful and well recorded histories of any locality in Germany. It’s passed through hands and existed in many iterations under different names. The Mindat description alone is a fun read.
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The blue coloration isn’t common from this locale, more known for greens. The solid looking wall of hematite just below the surface gives it a unique and elegant aesthetic.
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Fluorite with Hematite inclusions - Erika Mine, Säulnhof, Germany
6.8 x 5.5 x 5 cm.
Ex: Root-Choate Collection
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If you’re the sort to be tickled by twins, then this thumbnail should be a treat. Glassy and gemmy, an ideal specimen to show the classic pe*******on twin that often goes interrupted. Is also has sharp phantoms!
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Fluorite - Yaogangxian Mine, China
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An unusual occurrence in Xuan Le (Vietnam) are Topaz with Aquamarine (Beryl) and Schorl (Tourmaline) associations. Looking something like a witches hat, this specimen features the combination in a rather wonderful architecture.
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Topaz, Aquamarine, Schorl - Xuan Le, Vietnam
6.5 x 6 x 5.5 cm.
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A great example of Almandine (Garnet) from the Granatenkogel North Slope. A VAST majority of these are polished, as the chlorite laden matrix was often coating the outer layer of the garnets, but would also include into the surface to an extent that prevented it from being cleaned off. Natural faces on specimens like these is uncommon to say the least.
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Almandine - Granatenkogel North Slope, Austria
14.5 x 12.3 x 10.5 cm.
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These are one of my favorite Pseudomorphs on the planet (and that’s saying something). These amazing crystals are an unusual example of copper mineral to copper crystals, the opposite of what one might expect. Unlike the other well known instance (Azurite>Copper from New Mexico)
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Copper after Cuprite - Rubstovske Mine, Russia
6.4 x 4.5 x 4.5 cm.