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Danburite & Elbaite

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ESM645454

Danburite & Elbaite

Description Tabs

Description
Locality: 
Maharitra, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.8 × 4 × 3.3 cm
Description

A brownish danburite crystals on pinkish-brown elbaite

Mineral Data
What's on the rock

Danburite

Formula: 
CaB2Si2O8
Strunz: 
9.FA.65
Crystal System: 
Orthorhombic
Hardness: 
7.0 - 7.5
Streak: 
White
Type Locality: 
Danbury, Fairfield Co., Connecticut, USA

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...