Skip to main content
Moving mountains for you
Search
Search...
Minerals
Add Exclusions
Minerals Exclusions
Locality
Add Exclusions
Locality Exclusions
Filter by Seller
Filter by Special Feature
Analysed
Classic Locality
Fluorescent
Gem Crystal
New Discovery
New Mineral type
Pseudomorph
Radioactive
Rare Mineral
Type Locality
With Antique Label
Floater
Filter by Size Range
Micromount (under 1cm)
Thumbnail (1-3cm)
Small miniature (3-4.5 cm)
Miniature (4.5-7 cm)
Small cabinet (7-10 cm)
Cabinet (10-18 cm)
Museum (18cm plus)
Filter by Catalogue Name
Filter by Class
Single Crystal
Crystal Group/Cluster
Crystals on Matrix
Massive/Crystalline
Combination
Mixed Specimens
Artefact
Fossil
Fixed price
Include
Auctions
Include
Availability
Available
Sold
Archive
Include
Currency
AUD
EUR
GBP
USD
Switch currency
Home
Auctions
Fixed price
A - Z
Database
About
Blogs
Help
We Buy Collections
Current Live Auctions
Current Live Fixed Price Sales
Sign In
Username or e-mail
*
Password
*
Create new account
Request new password
You are here
Home
Bannermanite
Type Locality
Izalco Volcano, Sonsonate Department, El Salvador
Mineral Data
(Na,K)
0.7
V
4+
0.7
V
5+
5.3
O
15
Strunz:
4.HF.05
Physical Properties
Crystal System:
Monoclinic
Hardness:
0.0
Tenacity:
brittle
