Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Dwornikite & Minasragrite

Views:
Watches:
SKY799387

Dwornikite & Minasragrite

Type Locality

Description Tabs

Description
Locality: 
Ragra Mine, Cerro de Pasco, Pasco Department, Peru
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1 cm
Description

Yellowish green crystals of the very rare mineral dwornikite associated to blue minasragrite from the type locality for both minerals in Minas Ragra, on a contrasting dark matrix.

Specimens of dwornikite from the type locality are extremely rare !

Two rare sulphates (V sulphate and Ni sulphate, minasragrite and dwornikite, respectively) in a single specimen !

Very nice under the microscope !

Mineral Data
What's on the rock

Dwornikite

Formula: 
(Ni,Fe)SO4·H2O
Strunz: 
7.CB.05
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Colour: 
White
Streak: 
White
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

Minasragrite

Formula: 
(V4+O)(SO4)·5H2O
Strunz: 
7.DB.20
Crystal System: 
Monoclinic
Hardness: 
1.0 - 2.0
Type Locality: 
Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Item Toolbox