Images
Formula: Cu3NiCl2(OH)6
Hydroxychloride, atacamite group,
nickel-bearing mineral
Crystal System: Trigonal
Specific gravity: 3.76 calculated
Hardness: 3
Streak: Green
Colour: Dark green
Environments
Localities
At the type locality, the 132 North Ni mine, Widgiemooltha, Coolgardie Shire, Western Australia, aggregates of gillardite
crystals to 0.5 mm were found in a silicified ferruginous gossan with
nickel-bearing
clinoatacamite
(AJM 13.1.15-17).
Back to Minerals