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Gobbinsite

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SYM944195

Gobbinsite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.5 × 1 cm
Description

Stacked clear crystals of gobbinsite crystals on the matrix. 

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