Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Nsutite & Strengite

Views:
Watches:
SKY532614

Nsutite & Strengite

Rare Mineral

Description Tabs

Description
Locality: 
Sítio do Castelo Mine, Folgosinho, Gouveia, Guarda District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1 × 1 cm
Description

Golden brown globular aggregates of the very rare mineral nsutite (a manganese oxide) associated to pink strengite from this classic locality in Portugal

Mineral Data
What's on the rock

Nsutite

Formula: 
(Mn4+,Mn2+)(O,OH)2
Strunz: 
4.DB.15c
Hardness: 
6.5 - 8.0
Type Locality: 
Nsuta Mine (Insuta Mine; Nsuta-Gaywin Manganese concession; Nsuta-Wassaw), Tarkwa, Western Region, Ghana

Strengite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Streak: 
white
Type Locality: 
Eleonore Mine, Rodheim-Bieber, Wetzlar, Hesse, Germany

Seller Information

Payment options: offline, paypal_wpp, paypal_wps