Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Chalcophyllite

Views:
Watches:
SER923721

Chalcophyllite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Redruth, Cornwall, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.4 × 0.3 cm
Description

old sample featuring 7 micro clusters of green calcophyllite crystals, 4 in a plastic box and 3 in an old glass capsule; it comes also with an old handwritten label

Mineral Data
What's on the rock

Chalcophyllite

Formula: 
Cu18Al2(SO4)3(AsO4)3(OH)27·33H2O
Strunz: 
8.DF.30
Crystal System: 
Trigonal
Hardness: 
2.0