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Thomsonite & Analcime

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ZLT218682

Thomsonite & Analcime

Description Tabs

Description
Locality: 
Playa de Hermigua, La Gomera, Canary Islands, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.8 × 4.2 × 2.4 cm
Description

Vug in basaltic matrix with tabular crystals of thomsonite and small analcime.

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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