Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Nontronite On Graphite

Views:
Watches:
SHS796262

Nontronite On Graphite

Description Tabs

Description
Locality: 
Kropfmühl District, Untergriesbach, Lower Bavaria, Bavaria, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4 × 5.2 cm
Description

Nice nontronite on graphite rich rock

Mineral Data
What's on the rock

Nontronite

Formula: 
Na0.3Fe2((Si,Al)4O10)(OH)2·nH2O
Strunz: 
9.EC.40
Hardness: 
1.5 - 2.0
Type Locality: 
Saint-Pardoux-la-Rivière, Dordogne, Aquitaine, France

Graphite

Formula: 
C
Strunz: 
1.CB.05a
Crystal System: 
Hexagonal
Hardness: 
1.0 - 2.0