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Calcite & Brewsterite

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CSW887526

Calcite & Brewsterite

Fluorescent

Description Tabs

Description
Locality: 
Clashgorm Mine, Strontian, Highland, Scotland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.5 × 2.3 cm
Weight: 
29.00gr
Description

Golden brown calcite crystals with small colourless brewsterite crystals and micro pyrite crystals dotted across them. Under short wave UV light it can seen that there are 2 generations of calcite, the first producing an orange/red fluorescence and the second a pastel yellow fluorescence.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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

Seller Information

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Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.