Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Fredrikssonite

Views:
Watches:
NST605898

Fredrikssonite

Description Tabs

Description
Locality: 
Jakobsberg Mine, Nordmark, Filipstad, Värmland County, Sweden
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1 cm
Description

Fragments of reddish-brown elongated crystals labeled as fredrikssonite. Specimen has not been analysed.

Mineral Data
What's on the rock

Fredrikssonite

Formula: 
Mg2(Mn3+,Fe3+)(BO3)O2
Strunz: 
6.AB.30
Hardness: 
6.0
Type Locality: 
Långban, Filipstad, Värmland, Sweden