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Pumpellyite-(Mg) from
Laytonville Quarry (Longvale; Longvale Quarry), Laytonville, Coastal Range, Mendocino Co., California, USA

Locality type:Quarry
Classification
Species:Pumpellyite-(Mg)
Formula:Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Confirmation
Validity:Believed Valid
References
References:Chesterman, C.W. (1966b), Mineralogy of the Laytonville quarry, Mendocino County, California, in: Geology of Northern California: California Division Mines & Geol. Bulletin 190: 503; Pemberton, H. Earl (1983), Minerals of California: 492.
Associated Minerals:
Associates:Phengite
Associated Minerals Based on Photo Data:
Zussmanite1 photo of Pumpellyite-(Mg) associated with Zussmanite at this locality.
Howieite1 photo of Pumpellyite-(Mg) associated with Howieite at this locality.
Data
Mineral Data:Click here to view Pumpellyite-(Mg) data
Locality Data:Click here to view Laytonville Quarry (Longvale; Longvale Quarry), Laytonville, Coastal Range, Mendocino Co., California, USA
 
Mineral and/or Locality  
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