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Natrolite

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JRM1057957

Natrolite

Classic Locality

Description Tabs

Description
Locality: 
Dean Quarry, St Keverne, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 7 × 6 cm
Largest Crystal: 
5.00cm
Weight: 
414.00gr
Description

Large cabinet specimen - intergrown  white crystals to 5cm -  very minor iron staining on base - smaller crystals with transparent terminations

Sawn back/base - displays well from both sides

Excellent display piece from this famous Zeolite Quarry

Crystals held in place by altered gabbro base and massive natrolite matrix at rear make this a surprisingly robust specimen

 

Mineral Data
What's on the rock

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany

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