Very sharp Boleite crystal, with a little limonite matrix. Its very well defined faces have brilliant luster and a very deep color. The crystal is of high quality for the deposit, from which it is very rare to be able to obtain a specimen.
The label, from an important European collection, has been applied to both of the pieces into which we split the original piece, as previously the two crystals seemed a bit lost.
This specimen has been published on the Mineralogical Record´s web page, in the 'What’s New on the Internet Reports' section, report 67, July 24, 2023 edition, page 17
Mammoth-St. Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona USA
Specimen size: 1.2 × 1.1 × 1.3 cm = 0.47” × 0.43” × 0.51”
Main crystal size: 0.8 × 0.8 cm = 0.31” × 0.31”
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