Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Pyrrhotite & Siderite

Views:
Watches:
ESM629469

Pyrrhotite & Siderite

Classic Locality

Description Tabs

Description
Locality: 
Morro Velho Mine, Nova Lima, Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2 × 3.5 × 2.8 cm
Description

Blocky pyrrhotite crystals with colourless siderite blades

Mineral Data
What's on the rock

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White