Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Cumengeite

Views:
Watches:
MMM31192

Cumengeite

Description Tabs

Description
Locality: 
Cuddrabridge Mine, Gunver Head, Padstow, Cornwall, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 7.5 × 4 cm
Description

A good coverage of micro crystalline cumengeite with minor dundasite & phosgenite on quartz, galena matrix.

A very good example for this locality.

Wonderful under a lens

Mineral Data
What's on the rock

Cumengeite

Formula: 
Pb21Cu20Cl42(OH)40·6H2O
Strunz: 
3.DB.20
Crystal System: 
Tetragonal
Hardness: 
2.5
Streak: 
Sky-blue
Type Locality: 
Santa Rosalía (El Boleo), Boleo District, Mun. de Mulegé, Baja California Sur (BC Sur), Mexico