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Hydrokenopyrochlore & Elbaite

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SER761536

Hydrokenopyrochlore & Elbaite

Type Locality

Description Tabs

Description
Locality: 
Antandrokomby Pegmatite, Manandona Valley, Ambositra, Amoron'i Mania, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 2.2 × 2.2 cm
Description

some very beautiful brown crystals with red elbaite that I self collected on march 1999

Mineral Data
What's on the rock

Hydrokenopyrochlore

Formula: 
2Nb2O4(OH)2(H2O)
Group Parent: 
Pyrochlore Group
Crystal System: 
Isometric
Type Locality: 
Antandrokomby, Manandona Valley, Sahatany, Antananarivo Province, Madagascar

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...
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