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Gobbinsite

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ZLT701023

Gobbinsite

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Description
Locality: 
Punta del Aguila, Playa Blanca, Yaiza, Lanzarote, Canary Islands, Spain
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 7 × 2 cm
Description

Piece of basaltic matrix with white amygdale filling (left) of fibrous gobbinsite epitaxial intergrown with minor phillipsite. No crystal faces visible. Some spots of todorolite are also present.

Rich sample for the species, XRD confirmed.

Specimen like that have been considered phillipsite until analysed by XRD. See: Lapis january 2019

Mineral Data
What's on the rock

Gobbinsite

Formula: 
Na4(Ca,Mg,K2)Al6Si10O32·12H2O
Strunz: 
9.GC.05
Hardness: 
4.0
Type Locality: 
Hills Port, Gobbins, Island Magee, Co. Antrim, Northern Ireland, UK

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