Bright Blue Gibbsite
Bright Blue Gibbsite from Baoshan, Yunnan Province, China
Collection Robert Lavinsky
Description This was a one-time recent find, where one room at Tucson had some flats of this rare material that was at first (and still often is) mistaken for Hemimorphite, but is instead this rare aluminum hydroxide species Gibbsite. You can tell actually just by the heft which is exceedingly lightweight. But nobody suspected any such mineral and so there they were, sold as Hemimorphite in the beginning. Now, they are almost impossible to get.
Locality Baoshan, Yunnan Province, China
Dimensions 6.1 x 4..3 x 1.6 cm
Specimen Grade C
Photograph Photo

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