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: 207
Cleason Ambler circa 1953
	Mesa Grande District, San Diego Co., California, USA Caption: "Cleason Ambler, and his tourmaline and pegmatite gateway. Ambler was storekeeper at Mesa Grande from 1903, and took the gemstone on an $800 grocery bill owed when a tourmaline mining company closed down. Fence became necessary when unscrupulous rock collectors broke crystals from the gateway. Photo by HOW." Reprinted from the bimonthly ...
© 1953 Calico Press	Photo ID: 144400 View Count: 164
Discovery cut
	Esmeralda Mine, Mesa Grande District, San Diego Co., California, USA Caption: "ILL. No. 37. ESMERALDA MINE, MESA GRANDE—TUNNEL LOOKING EAST. GEM TOURMALINE." Source: Kunz, G. F. 1905. Gems, jeweler's materials, and ornamental stones of California. California State Mining Bureau Bulletin 37, p 136.
© 1905 CSMB	Photo ID: 202175 View Count: 57
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
Ledge Discovery Cut
	Esmeralda Mine, Mesa Grande District, San Diego Co., California, USA This 1906 advertisement appeared in The Pacific Monthly magazine of Portland, Oregon - offering gems sent by express cash-on-delivery with privilege of examination. San Diego's most famous lapidary shop was originally owned by C. O. Johnson and local prospector W. H. Trenchard, opening for business in downtown San Diego in 1903. Their shop was ...
© 2005 SDMC	Photo ID: 126695 View Count: 154