This is a very rare attractive specimen with emerald green crystalline Gillardite richly set on matrix with Gaspeite in association. Is an extremely rare copper nickel chlorine halide, found only at this locality to date. This mineral seldom crystallizes and although small, these crystals are discrete and eye-visible.
Formula : Cu3Ni(OH)6Cl2
System: trigonal Hardness:3 Rarity:very rare
Strunz id:III -
HALOGENIDES
Name origin: Named in 2007 by David M. Colchester, Peter Leverett, Meagan E. Clissold, Peter A. Williams, David E. Hibbs and Ernest H. Nickel in honour of Robert D. Gillard (23 August, 1936, London, England - ) professor, Department of Chemistry, Cardiff University, Wales, in recognition of his contributions to the field of inorganic chemistry.
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Specimen weight:24 gr.
Crystal size:Up to 0.8 mm
Overall size: 35mm x 25 mm x 18 mm

Owner : Minservice (Sondrio - Italy) Minservice Galleries Main 
This specimen will be shipped by: Minservice
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