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Gormanite

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MGR711855

Gormanite

Description Tabs

Description
Locality: 
Big Fish River, Yukon, Canada
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.9 × 3.7 × 3.5 cm
Description

One of the most rare minerals from this famouslocality. Gormanite developed olive-green sprays in fine contrast to matrix. Years ago I had a sub-collection of minerals from this area - and during years I was not able to acquire even one tiny sample of gormanite - this material is incredible rare and very hard to obtain. And this is a very good specimen for the mineral and for the locality!

Mineral Data
What's on the rock

Gormanite

Formula: 
(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6·2H2O
Strunz: 
8.DC.45
Hardness: 
4.0 - 5.0
Type Locality: 
Rapid Creek, Dawson Mining District, Yukon Territory, Canada