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Omphacite from
Eclogite Brook locality, Orleans County, Vermont, USA


Classification
Species:Omphacite
Formula:(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Garnet Group1 photo of Omphacite associated with Garnet Group at this locality.
Muscovite1 photo of Omphacite associated with Muscovite at this locality.
Data
Mineral Data:Click here to view Omphacite data
Locality Data:Click here to view Eclogite Brook locality, Orleans County, Vermont, USA
Data Identifiers
Mindat Occurrence Record ID:127743
Long-form Identifier:1:3:127743:2
GUID (UUID V4):82b7bb65-0510-45c9-8870-9698b4820438
References
Rocks & Min. Vol. 71, (1996)
Reference Search (possible matching items)
Smelik, Eugene A., Veblen, David R. (1992) Exsolution of Ca-amphibole from glaucophane and the miscibility gap between sodic and calcic amphiboles. Contributions to Mineralogy and Petrology, 112 (2) 178-195 doi:10.1007/bf00310453
Journal (article/letter/editorial)
The Johns Hopkins University, Baltimore, MD 21218, USA ReceivedNovember 7, 1991 / Accepted March 30, 1992...Ca-amphibole-bearing blueschist and eclogite from two Vermont localities (Eclogite Brook and Tillotson Peak) and...and one California locality (Cazadero) has revealed the first evidence from exsolution for the miscibility...coarsegrained glaueophane-actinolite pairs, while the Eclogite Brook samples contain coexisting glaucophane and...the TEM scale. The coexisting amphiboles from Eclogite Brook also have been studied using the electron microprobe
 
Mineral and/or Locality  
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