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Tourmaline from
Donna prospects (Donna Lode; LVSEC2 claim; Sunset mine; The Donna Mine claim), Warner Springs, Warner Springs Mining District, San Diego County, California, USA

Locality type:Prospect
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
References
References:Mueller, Richard S. (2007)
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Donna prospects (Donna Lode; LVSEC2 claim; Sunset mine; The Donna Mine claim), Warner Springs, Warner Springs Mining District, San Diego County, California, USA
Nearest other occurrences of Tourmaline
2.3km (1.4 miles) Cryo-Genie Mine (Cindy B-Cryogenie claim; Lost Valley Truck Trail prospect), Warner Springs, Warner Springs Mining District, San Diego County, California, USA
2.3km (1.4 miles) Carmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA
6.7km (4.2 miles) Blue Lady Mine (Blue Tourmaline claim; Blue Bell deposit; Blue Bell mine; Exposition claim; Panama claim; San Diego claim; San Diego group), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA
7.4km (4.6 miles) Lost Valley Tourmaline prospects, Lost Valley, Warner Springs Mining District, San Diego County, California, USA
9.4km (5.8 miles) Unnamed Tourmaline occurrence, Lost Valley, Warner Springs Mining District, San Diego County, California, USA
11.6km (7.2 miles) Maple Lode Mine (Maple claim), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
11.8km (7.3 miles) Mountain Lily Mine (Emeralite No. 2 claim; Gem Mine No. 1 claim; Ware mine), Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
11.8km (7.3 miles) Blue Chihuahua Mine (Blue Dog), Iron Spring Mountain, Cooper Canyon Mining District, Riverside Co., California, USA
11.9km (7.4 miles) Sycamore Mines, Iron Spring Mountain, Cooper Canyon Mining District, Riverside Co., California, USA
13.3km (8.3 miles) Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA
 
Mineral and/or Locality  
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