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Lévyne With Offretite & Mesolite

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PCZ144385

Lévyne With Offretite & Mesolite

Description Tabs

Description
Locality: 
Dungonell Dam, Cargan, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 6.5 × 2 cm
Description

This is a top rate specimen from the locality with four vugs infilled with offratite coated levyne. Three of the vugs are over 1.0cm diameter. In addition there is a 1.2cm vug with exquisite radiations of mesolite hairs on small chabazite crystals. A few vugs are lined with grey saponite balls.

Mineral Data
What's on the rock

Offretite

Formula: 
KCaMgAl5Si13O36·16H2O or near
Strunz: 
9.GD.25
Hardness: 
4.0 - 4.5
Type Locality: 
Mont Semiol (Mont Semiouse; Mont Simiouse), Châtelneuf, Saint-Georges-en-Couzan, Loire, Rhône-Alpes, France

Mesolite

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