Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Bannermanite

Views:
Watches:
SKY910455

Bannermanite

Type Locality

Description Tabs

Description
Locality: 
Izalco Volcano, Sonsonate Department, El Salvador
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Two very small specimens of the very rare Na-K-V oxide mineral bannermanite from the type locality in Izalco volcano, El Salvador, where it is extremely rare since the few specimens in the market are from other localities.

Analyzed spciemen by SEM/EDS, see copy enclosed.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

No duplicates available

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps