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San Diego Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA

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Elbaite : [Na][(Li,Al)3][Al6][(OH)3|OH|(BO3)3|Si6O18]

San Diego Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA

Fine group of tourmaline displayed at the 2008 Tucson Gem & Mineral Show
Photo ID: 151686    View Count: 280

Elbaite : [Na][(Li,Al)3][Al6][(OH)3|OH|(BO3)3|Si6O18], Quartz : SiO2

San Diego Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA

7.0 x 5.0 x 4.0 cm. A gemmy and lustrous, 5.0 cm, polychrome tourmaline aesthetically wrapped in a partially euhedral smoky quartz cleavage from an UNCOMMON San Diego County locality - the San Diego Tourmaline Mine. The pink and green portions of this striking tourmaline are particularly gemmy and the etched termination is an indicolite-blue! VERY ...
 © Rob LavinskyPhoto ID: 170562    View Count: 83
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