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Brewsterite

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Brewsterite

Rare Mineral

Description Tabs

Description
Locality: 
Yellow Lake, Olalla, British Columbia, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 1.7 × 1.2 cm
Largest Crystal: 
0.60cm
Description

An isolated single Brewsterite crystal on matrix. This is very uncommon as the crystals are usually tightly clustered. From Yellow Lake which may be the best locality in the world for this rare zeolite. See Rocks & Minerals Nov/Dec 2021 for an article on the location.

Mineral Data
What's on the rock

Brewsterite

Synonym Of: 

Brewsterite-Ba

Formula: 
(Ba,Sr)[Al2Si6O16]·5H2O
Strunz: 
9.GE.20
Hardness: 
5.0

Brewsterite-Sr

Formula: 
(Sr,Ba,Ca)[Al2Si6O16]·5H2O
Strunz: 
9.GE.20
Hardness: 
5.0
Group Parent: 
Zeolite Group

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