Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Tetrahedrite & Siderite

Views:
Watches:
SYA742655

Tetrahedrite & Siderite

ex coll. Alexander Franz, Hannover
Classic Locality

Description Tabs

Description
Locality: 
Clausthal-Zellerfeld, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 2 cm
Largest Crystal: 
0.80cm
Description

Several sharp tetraedrite crystals on siderite crystals.

The tetraedrite is,typical for this locality, coated with a thin layer of chalcopyrite.

A historic specimen from Clausthal, Harz - ex coll. Alexander Franz, Hannover

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Siderite

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps