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Arfvedsonite from
Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA


Locality type:Pass
Classification
Species:Arfvedsonite
Formula:NaNa2(Fe42+Fe3+)Si8O22(OH)2
Habit:large prisms to 6cm; rock forming masses
Colour:Black
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Aegirine
Goethite
Microcline
Okanoganite-(Y)
Quartz
Zektzerite
Associated Minerals Based on Photo Data:
Microcline55
Zektzerite37
Albite25
Quartz23
Aegirine12
Pyrochlore Supergroup8
Sogdianite6
Astrophyllite6
Riebeckite4
Zircon4
BastnÃĪsite Group4
Synchysite Group4
Elpidite4
- var Calcium-bearing Elpidite2
Polylithionite2
Okanoganite-(Y)2
LÃķllingite2
Annite2
Fluorite2
Gagarinite-(Y)2
Euxenite-(Y)2
Titanite2
BastnÃĪsite-(Ce)2
Kainosite-(Y)1
Feldspar Group1
Calciocatapleiite1
Siderite1
Biotite1
- var Oxybiotite1
Data
Mineral Data:Click here to view Arfvedsonite data
Locality Data:Click here to view Washington Pass, Golden Horn Batholith, Okanogan County, Washington, USA
Photo GalleryView Gallery (31 photos)
Data Identifiers
Mindat Occurrence Record ID:46432
Long-form Identifier:1:3:46432:3
GUID (UUID V4):0
References
 
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