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Thomsonite & Goethite

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SKI638931

Thomsonite & Goethite

Description Tabs

Description
Locality: 
Punta del Aguila, Playa Blanca, Yaiza, Lanzarote, Canary Islands, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 2.5 cm
Description

Beautiful balls of thomsonite and an aggregate of goethite in basaltic vugs from an outcrop close to the fishermens houses at Playa Blanca, Lanzarote. Collected in 1997.

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

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Seller Information

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