Grandviewite, Cyanotrichite, Chalcoalumite, Brochantite

Specimen ID: T4D-C53

Mineral(s)
Grandviewite : Cu3Al2(SO4)(OH)10·H2O
Cyanotrichite : Cu4Al2(SO4)(OH)12·2H2O
Chalcoalumite : CuAl4(SO4)(OH)12·3H2O
Brochantite : Cu4(SO4)(OH)6
Locality
Mindat locality:
Events

Photo added to mindat.org

Turquoise-blue balls of Grandviewite are overgrown with clear blades of Chalcoalumite, on a matrix of green Brochantite. There is a deep blue spray of Cyanotrichite in association. 3mm field of view. Michael Cline specimen and photograph.
Michael D. Cline - 22nd May 2007
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