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Empty Pockets | |
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Mesa Grande Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA The large pocket found by Erik M. Cordova at the Mesa Grande mine has been completely removed. Several hundred kilos of quartz crystals, a dozen kilos of slender black tourmaline (schorl) crystals, and three kilos of deep orange garnets (spessartine) were recovered (up to golf ball size). In all, over forty buckets (5 gallon capacity) of water ... |
| © 1996 SDMC | Photo ID: 127824 View Count: 177 |
Mesa Grande mine on Gem Hill | |
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Mesa Grande Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA A southwestern view of Gem Hill from the old Angel Ranch road. The workings and dumps of the Mesa Grande mine are visible adjacent and below the eastern saddle of the hill. SDMC, January 1996. |
| © 1996 SDMC | Photo ID: 127825 View Count: 126 |
Old Upper Adit | |
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Mesa Grande Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA Another large pocket was likely removed when this circa 1906 adit was originally constructed. This shallow underground working is approximately 15 feet to the west of the pocket discovered by Cordova. SDMC, January 1996. |
| © 1996 SDMC | Photo ID: 127823 View Count: 96 |
Pocket opens up | |
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Mesa Grande Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA The large smoky quartz crystal has been removed from the newly excavated gemstone bearing pocket discovered by Erik M. Cordova while following the brush covered pegmatite ledges along the eastern portion of Gem Hill. Several kilos of slender black tourmaline (schorl) crystals were also recovered, as well as several deep orange garnets ... |
| © 1995 SDMC | Photo ID: 127822 View Count: 126 |
Virgin Paystreak | |
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Mesa Grande Mine, Gem Hill, Mesa Grande District, San Diego Co., California, USA A large smoky quartz crystal exposed in a newly discovered pocket formation located along the surface area which embraces the eastern portion of Gem Hill, and immediately adjacent to the upper underground workings of the historic Mesa Grande mine. SDMC, December, 1995. |
| © 1995 SDMC | Photo ID: 127821 View Count: 152 |
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