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Wakefieldite-(Ce) & Brewsterite-Sr

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RSL724699

Wakefieldite-(Ce) & Brewsterite-Sr

Rare Mineral

Description Tabs

Description
Locality: 
Yellow Lake, Olalla, British Columbia, Canada
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 1 cm
Description

On a crystalline matrix of brewsterite-Sr, an unusual zeolite, we can observe a small wakefieldite-(Ce) well formed crystal. Rich in faces and defined edges. Deep black color, contrasting on the matrix.
Wakefieldite-(Ce) is a extremely rare species, it is a cerium vanadate, with few La content. It is very curious the association of a REE vanadate with zeolite species. It comes from the analcime-phonolite flows exposed in road cuts of Highway 3A along the Yellow lake.

Mineral Data
What's on the rock

Wakefieldite-(Ce)

Formula: 
Ce(VO4)
Strunz: 
8.AD.35
Hardness: 
0.0
Colour: 
Black
Type Locality: 
Kobokobo pegmatite, Mwenga, Sud-Kivu, Democratic Republic of Congo (Zaïre)

Brewsterite-Sr

Formula: 
(Sr,Ba,Ca)[Al2Si6O16]·5H2O
Strunz: 
9.GE.20
Hardness: 
5.0
Colour: 
White
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK
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