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Djurleite Gallery

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Djurleite : Cu31S16, Natrolite : Na2[Al2Si3O10] · 2H2O, Crossite, Benitoite : BaTi[Si3O9]

Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA

Nice, somewhat rounded djurleite crystal on typical Gem Mine matrix.
1 cm crystal. S411-178 #1105#
 © 2007, JGWPhoto ID: 138224    View Count: 202

Djurleite : Cu31S16, Neptunite : Na2KLi(Fe2+,Mn2+)2Ti2[Si8O24]

Dallas Gem Mine (Benitoite Mine; Benitoite Gem Mine; Gem Mine), Dallas Gem Mine area, San Benito River headwaters area, New Idria District, Diablo Range, San Benito Co., California, USA

This thumbnail features a lustrous and sharply-terminated 2 cm neptunite crystal on a massive natrolite matrix. Near the neptunite termination are two complete, 1 mm djurleite crystals. One face of the neptunite termination hosts a third djurleite crystal.

Size of specimen = 2.2 x 1.8 x 1.5 cm (0.9 x 0.7 x 0.6 inches)
 © 2008 Steve HardingerPhoto ID: 143011    View Count: 181
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