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Aragonite


Mineral: Aragonite
Chemistry: CaCO3
Size: 50 mm
Owner: Mariusz Oleszczuk
Photographer: Mariusz Oleszczuk

A tapering twin of white aragonite (v. tarnowitzite), 50 mm in length, that has been deeply etched by natural solutions. The pattern of the etching is quite regular, indicating a significant degree of crystallographic control.

The specimen was formerly in the collection of Franz Lammer (Austria).