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Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA
© Saul Krotki 2006
|Name:||After the type locality at Washington Pass, Okanogan Co., Washington, USA.|
Classification of Okanoganite-(Y)
|Strunz 8th edition ID:||8/B.33-20|
|Nickel-Strunz 10th (pending) edition ID:||9.AJ.35|
9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B, Be tetrahedra, cornersharing with SiO4
|Dana 8th edition ID:||220.127.116.11|
54 : NESOSILICATES Borosilicates and Some Beryllosilicates
2 : Borosilicates and Some Beryllosilicates with B in  coordination
|Hey's CIM Ref.:||17.5.21|
17 : Silicates Containing other Anions
5 : Borosilicates
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Type Occurrence of Okanoganite-(Y)
|Type Locality:||Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA|
Optical Data of Okanoganite-(Y)
|RI values:||nω = 1.753 nε = 1.740|
|Maximum Birefringence:||δ = 0.013|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Chemical Properties of Okanoganite-(Y)
|Simplified for copy/paste:||(Na,Ca)3(Y,Ce)12Si6B2O27F14|
|Essential elements:||B, F, Na, O, Si, Y|
|All elements listed in formula:||B, Ca, Ce, F, Na, O, Si, Y|
Relationship of Okanoganite-(Y) to other Species
|Member of:||Vicanite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Okanoganite-(Y)
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Okanoganite-(Y)
American Mineralogist (1980): 65: 1138-1142.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002).
Internet Links for Okanoganite-(Y)
Localities for Okanoganite-(Y)
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Morgado de Arges Mine, Portimão, Portimão, Faro District, PortugalFrom Rui Nunes, 29th Nov 2014 06:11:11