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Bannermanite

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CSL508409

Bannermanite

Rare Mineral

Description Tabs

Description
Locality: 
Liebenbergite Dump, Sounion, Agios Konstantinos, Lavrion District, Attiki Prefecture, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.4 × 1.6 cm
Description

Very rare sodium-vanadate mineral bannermanite forms black acicular crystals in association with some redish barnesite coatings on slag matrix.

Mineral Data
What's on the rock

Bannermanite

Formula: 
(Na,K)0.7V4+0.7V5+5.3O15
Strunz: 
4.HF.05
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Izalco Volcano, Sonsonate Department, El Salvador
Loranth Minerals

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