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Gadolinite

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CHP946542

Gadolinite

Classic Locality

Description Tabs

Description
Locality: 
Água de Pau Volcano, São Miguel Island, Azores District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2 × 2 cm
Description

specimen with a group of green crystals of gadolinite: extremely rare in this locality: only four specimen found.

c. 5351

Mineral Data
What's on the rock

Gadolinite

Synonym Of: 

Gadolinite-(Ce)

Formula: 
(Ce,La,Nd,Y)2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Hardness: 
6.5 - 7.0

Gadolinite-(Y)

Formula: 
Y2Fe2+Be2Si2O10
Strunz: 
9.AJ.20
Hardness: 
6.5 - 7.0

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