Very Rare Blue Boleite pseudocubic crystal, Green Paratacamite and Gypsum on Rock Matrix. Collector's Prize.
Dimensions (millimeters): 75 x 55 x 40
Dimensions (inches): 3 x 2.2 x 1.6
Chemistry: Hydrated Lead Copper Silver Chloride Hydroxide
Paratacamite is closely related to atacamite
Origins: Amelia Mine, Santa Rosalia, Baja California Sur, Mexico
Incredibly hard to acquire blue crystals in an outstanding large display specimen Boleite is a mineral of crystallographic curiosity and of great interest to serious collectors. Boleite is a tetragonal mineral but boleite is always pseudocubically twinned. The cube-like crystal of boleite is actually composed of three of these rectangular boxes oriented at right angles to each other. The pseudocubes are sometimes modified by tetragonal dipyramid faces which give the look of octahedral faces. Therefore boleite is sometimes incorrectly listed as an isometric mineral. Boleite was named for its type locality at Boleo, Baja California, Mexico.
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