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Thomsonite & Analcime

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TPX898590

Thomsonite & Analcime

Classic Locality

Description Tabs

Description
Locality: 
Playa de Hermigua, La Gomera, Canary Islands, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 5 × 4.7 cm
Weight: 
359.00gr
Description

Group of thomsonite and analcime crystals lining a basalt matrix. This piece is very interesting because specimens from the Canary Islands are not usually found in the Spanish market, and minerals from the island of La Gomera are still much rarer to find.

Mineral Data
What's on the rock

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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