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Montmorillonite from
Little Joe No. 2 adit (Joe 2 adit; Little Joe II adit), Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA

Locality type:Adit
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
References
References:Sheppard, J. B. (2008), History of the surface prospects and underground mining developments made along the northern portion of the Stewart pegmatite; personal communication with Scott L. Ritchie, San Diego Mining Company (SDMC). June/July.
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Little Joe No. 2 adit (Joe 2 adit; Little Joe II adit), Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA
Nearest other occurrences of Montmorillonite
0.1km (0.0 miles) Little Joe adit, Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA
0.2km (0.2 miles) Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA
1.0km (0.6 miles) Tourmaline Queen Mine (MS 6458; Queen mine; Tourmaline Queen group; Tourmaline Queen No. 1 claim; Tourmaline Queen No. 2 claim; Tourmaline Queen No. 3 claim), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA
1.1km (0.7 miles) Chief Extension prospects, Pala Chief Mine (Chief mine; MS 6452; Salmons mine), Chief Mountain, Pala, Pala Mining District, San Diego Co., California, USA
1.2km (0.7 miles) Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego Co., California, USA
1.2km (0.8 miles) Oceanview Mine (Oceanview adits; new Oceanview workings), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala Mining District, San Diego Co., California, USA
1.3km (0.8 miles) Tourmaline King Mine (Gem claim; King mine; MS 4500; MS 4926; Schuyler mine; Wilke mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego Co., California, USA
31.1km (19.3 miles) Himalaya Mine (Himalaya dikes; Himalaya pegmatite), Gem Hill, Mesa Grande Mining District, San Diego Co., California, USA
33.4km (20.7 miles) Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside Co., California, USA
38.8km (24.1 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 Co., California, USA
 
Mineral and/or Locality  
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