Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Cylindrite

Views:
Watches:
CR684657

Cylindrite

with antique label
Rare Mineral

Description Tabs

Description
Locality: 
Santa Cruz Mine, Poopó, Poopó Province, Oruro Department, Bolivia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 2.5 cm
Description

This is a very rich specimen of one of the most unique species in all the mineral world.

Cylindrite is a lead, iron, tin, antimony sulfosalt that forms in "cylinder" or "tube" shaped crystals, hence the name. In fact, this species belongs to small group of minerals that naturally forms rounded, curved or tubular shaped crystals.

This specimen is especially nice considering that it is loaded with crystals. The longest "cylinder" measures more than 25 mm.

The mine at Poopo is the type locality for the species.

Ex Mineralien-Niederlage Freiberg specimen and label.

Mineral Data
What's on the rock

Cylindrite

Formula: 
Pb3Sn4FeSb2S14
Strunz: 
2.HF.25a
Crystal System: 
Triclinic
Hardness: 
2.5
Streak: 
Black
Type Locality: 
Santa Cruz Mine, Poopó town, Poopó Province, Oruro Department, Bolivia