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Euclase

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PDM741847

Euclase

Gem Crystal

Description Tabs

Description
Locality: 
Alto do Giz Pegmatite, Equador, Borborema Province, Rio Grande do Norte, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.7 × 0.5 cm
Description

Aggregate of transparent euclase crystals, one clearly dominant, with well-defined edges and bright faces. The main crystals is doubly-terminated and shows the characteristic blue "stripe" inside along the central area. Free of damages, with the rear side detached off the matrix but not broken.

Acquired in 1997-99. Ex. Werner Heirman (BE).

Mineral Data
What's on the rock

Euclase

Formula: 
BeAl(SiO4)(OH)
Strunz: 
9.AE.10
Hardness: 
7.5
Streak: 
White
Type Locality: 
Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil

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