Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Franckeite

Views:
Watches:
JYJ719441

Franckeite

Description Tabs

Description
Locality: 
Porvenir Mine, Areponapuchic, Bocoyna Municipality, Chihuahua, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.7 × 2.4 cm
Description

Lustrous franckeite crystals in siderite matrix with an old label from 1976. 

This is a rarely seen specimen from the Porvenir mine. 

 

Mineral Data
What's on the rock

Franckeite

Formula: 
Fe2+(Pb,Sn2+)6Sn4+2Sb2S14
Strunz: 
2.HF.25b
Hardness: 
2.5 - 3.0
Type Locality: 
Chocaya mine, Chocaya-Animas (Animas-Chocaya), Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia
Labels
Label Images - only: Franckeite