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

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Bray workings
	Braye Mine (MS 4633; Bray Lode Prospect), Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Workings at the Bray Lode Prospect in 2007 showing new tailing piles.
© Michael Fender	Photo ID: 196557 View Count: 204
Empty Pockets
	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
First workings on the Himalaya mine
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Caption: "First workings on the Himalaya mine at Mesa Grande, which was later to become one of the greatest tourmaline producers in the world. Left to right: Heighway, who filed on the Himalaya for Tannenbaum of New York; Vance Angel (center above) who was foreman 1900 - 1912; J. Goodman Bray, Jr., colored protege of Tannenbaum who was in charge ...
© 1953 Calico Press	Photo ID: 144398 View Count: 367
Gem Hill, Mesa Grande
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Gem Hill seen from the southeast. The Himalaya pegmatite is located on the northeast slope (right side in photo).
© 2005, Jesse Fisher	Photo ID: 125228 View Count: 257
Gem Pocket
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA The inside of a huge gem pocket found in 1984, reconstructed. In the Harvard Museum, Cambridge, Massachusetts.
© 2005 Peter Cristofono	Photo ID: 124479 View Count: 626
Himalaya Mine adit
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Himalaya Mine, San Diego County, California USA in 1994. Old (collapsed) main adit.
© J. Bean	Photo ID: 123421 View Count: 471
Himalaya pegmatite
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Exposure of the main Himalaya pegmatite dike, seen at the end of the lower main entrance, 1997.
© 2005, Jesse Fisher	Photo ID: 125227 View Count: 456
Main Adit, 1994
	Himalaya Mine (Himalaya pegmatite; Himalaya dikes), Gem Hill, Mesa Grande District, San Diego Co., California, USA Main adit of the Himalaya mine on the east side of the property as seen in 1994. This tunnel has subsequently collapsed.
© 2004, Jesse Fisher	Photo ID: 123636 View Count: 306
Mesa Grande mine on Gem Hill
	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
	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