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Calomel from
Challenge deposit, Redwood City, San Mateo Co., California, USA

Locality type:Deposit
Classification
Species:Calomel
Formula:(Hg2)2+Cl2
Confirmation
Validity:Believed Valid
References
References:Rogers, Austin Flint (1911a), Eglestonite from San Mateo County, California: American Journal of Science, 4th. Series: 32: 48-50; Woodhouse, C.D. (1934), A new occurrence of montroydite in California: American Mineralogist: 19: 603-604; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 197.
Associated Minerals:
Associates:Cinnabar
Eglestonite
Mercury
Montroydite
Associated Minerals Based on Photo Data:
Mercury7 photos of Calomel associated with Mercury at this locality.
Data
Mineral Data:Click here to view Calomel data
Locality Data:Click here to view Challenge deposit, Redwood City, San Mateo Co., California, USA
Nearest other occurrences of Calomel
1.4km (0.9 miles) A Farm Hill No. 2 Mine (Emerald Lake Mine; Upper Emerald Lake deposit; Farm Hill Cinnabar property), Redwood City, San Mateo Co., California, USA
12.8km (7.9 miles) B Unnamed Hg occurrence [4], El Corte de Madera Rancho, Portola Valley, San Mateo Co., California, USA
136.5km (84.8 miles) C Oat Hill Mines, Aetna Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Napa Co., California, USA
151.3km (94.0 miles) D Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville District, Napa Co., California, USA
180.8km (112.3 miles) E Clear Creek claim (Clear Creek Mine), Goat Mountain, New Idria District, Diablo Range, San Benito Co., California, USA
238.2km (148.0 miles) F Oceanic Mine, Cambria, Cambria-Oceanic District, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Mineral and/or Locality  
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