Very good sized specimen of rhodochrosite from this classic Argentine locality. In the polished part we can enjoy the characteristic bands, with good color. And the "natural" part tells us that it belongs from a vein. It has a handwritten label attached on the sample and due to its appearance it was a very old piece.

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Group of well defined microcline crystals partially covered by minor muscovite and white albite crystal growths. Accompanied by smoky quartz crystals with a uniform smoky tone and transparence.