Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Pyrrhotite Siderite & Galena Var Spinel Law

Views:
Watches:
CLB631218

Pyrrhotite Siderite & Galena Var Spinel Law

Classic Locality

Description Tabs

Description
Locality: 
Naica, Saucillo Municipality, Chihuahua, Mexico
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 5.1 × 3 cm
Description

Big, glossy, bronce-colored pyrrhotite crystals and spinel law twins of galena with small groups of grayish brown siderite crystals. A rare combination and pretty good pyrrhotite for Naica.

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

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Seller Information

Payment options: offline, paypal_wpp, paypal_wps