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Bobdownsite Gormanite

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WND600850

Bobdownsite Gormanite

Rare Mineral

Description Tabs

Description
Locality: 
Big Fish River, Yukon, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.6 × 2.1 cm
Description

A very nice specimen features several hexagonal blades of rare phosphate bobdownsite. The single crystals are sharp edged, high lustrous and major crystals are so far undamaged.

Mineral Data
What's on the rock

Bobdownsite

Formula: 
Ca9Mg(PO4)6(PO3F)
Group Parent: 
Whitlockite Group
Strunz: 
8.AC.45
Hardness: 
5.0 - 0.0
Streak: 
White
Type Locality: 
Big Fish River, Dawson Mining District, Yukon Territory, Canada

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
Wendel Minerals

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