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Analcime

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RPL524493

Analcime

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Description
Locality: 
Dean Quarry, St Keverne, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 5 × 5 cm
Largest Crystal: 
2.00cm
Weight: 
100.00gr
Description

A thin slice of dolerite matrix is covered on one side by milky white analcime, the largest crystal is incomplete showing a contact with a previous neighbour, most of the smaller crystals are undamaged. There is single calcite rhomb. 

Mineral Data
What's on the rock

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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