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Earth lab datasite

Connellite
Sulphate with cuprite
hydrous copper chloride sulphate
Cu17 Cl4 SO4 OH32?
Scale bar = 1 centimetre
cleavage:
crystal system: Hexagonal
hardness 3.0
relative density 3.3 - 3.4
Carharrick, St. Day, Cornwall
25 H 2