Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Montmorillonite & Turgite

Views:
Watches:
SLN514919

Montmorillonite & Turgite

Description Tabs

Description
Locality: 
Gambatesa Mine, Reppia, Genova, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 6.7 × 4.3 cm
Weight: 
395.00gr
Description

Nice specimen with a lot of scaly creamy-nut montmorillonite crystals reunited in rosette and balls in association with turgite (rare variety of hydrate haematite) in red-garnet hexagonal crystals 

Mineral Data
What's on the rock

Montmorillonite

Formula: 
(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2O
Strunz: 
9.EC.40
Hardness: 
1.0 - 2.0
Streak: 
white
Type Locality: 
Montmorillon, Vienne, Poitou-Charentes, France

Turgite

Mixture Of: 

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Hardness: 
5.0 - 5.5

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Hardness: 
5.0 - 6.0

Seller Information

Payment options: offline, paypal_wpp, paypal_wps