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Brewsterite

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PCZ569004

Brewsterite

Description Tabs

Description
Locality: 
Whitesmith Mine, Strontian, Argyll, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 4.5 × 4 cm
Description

Excellent, sharp, reflective brewsterite crystals cover most of the surface of this sizable specimen. A good example of a rare zeolite from possibly the best locality in the world for the species.

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
Peter Crozier Minerals