Dragon Minerals - December 16, 2022 Update

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30665: Benitoite and Strontiojoaquinite - $30
Junnila Mine, Santa Rita Peak, San Benito County, California
Miniature - 4.9 x 3.4 x 2.6 cm
26 grams
Fluorescent (SW)
Specimen status: Available
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Many collectors are familiar with superb benitoite crystals from the type locality, the Dallas Gem Mine, but benitoite occurs at other, more obscure localities. This example, from another San Benito County locality, features a somewhat overgrown, partial benitoite (contacted and/or broken), 1.2 cm long, most easily seen under shortwave UV light where it glows its characteristic bright blue-white color. Also present are a few incomplete (ingrown/contacted) strontiojaoquite crystals to about 2 mm. Strontiojoaquinite is an uncommon strontium barium titanium cyclosilicate - Sr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2┬ĚH2O, for which Mindat gives just four global localities.

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