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0 item @ $0.00  

Wolfeite

#45178

Wolfeite

#45178
Availability
Sold
Size
6 x 3.5 x 2 cm - Sm Cabinet 
Formula
Fe2+2PO4(OH) (RRUFF)
Locality
Big Fish River, Dawson dist., Yukon Territory, Canada
Tagged
phosphate

Wolfeite is not a particulary rare phosphate. It is found on several continents in a variety of geological environments. It was first discovered at Palermo as a hydrothermal alteration product of Triphylite (Frondel, 1949 Am. Min., 34, 692-705). Since then it was discovered in the Black Hills, Sweden, Hagendorf and a host of other pegmatites. The Bish Fish deposit is a sedimentary derived phosphate deposit but looks remarkably similiar to pegmatite occurences. The RRUFF project has the two occurences well represented. 

This specimen shows translucent root beer colored bladed or columnar crystals in a nodule.

Wolfeite

Formula
Fe2+2PO4(OH) 
Crystal System
Monoclinic 
Cleavage
Good, Distinct, None 
Luster
Vitreous - Greasy 
Color
greenish, dark brown, reddish brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal - Uneven 
Hardness
4.5-5 

Data courtesy of Webmineral.

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