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Mesolite Thomsonite Analcime & Phacolite

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CSW139944

Mesolite Thomsonite Analcime & Phacolite

Description Tabs

Description
Locality: 
Keady Quarry, Limavady, County Londonderry, Northern Ireland, United Kingdom
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.2 × 2.8 cm
Description

Basalt matrix with one face showing a nice suite of zeolite minerals including bright white analcime crystals, transparent, needle-like mesolite crystals, both white and pale red thomsonite clusters and transparent phacolite crystals showing complex twinning.

Mineral Data
What's on the rock

Mesolite

Formula: 
Na2Ca2Si9Al6O30·8H2O
Strunz: 
9.GA.05
Hardness: 
5.0

Thomsonite

Synonym Of: 

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5

Thomsonite-Sr

Formula: 
Na(Sr,Ca)2[Al5Si5O20]·7H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 0.0

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy

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.