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Chalcoalumite and Cyanotrichite with Brochantite, Grandview Mine, Coconino county, Arizona Miniature 3 x 4 x 7 cm $65. Online July13. SOLD.


  • $ 6500

Nice combination of secondary copper species from one of the most sought Arizona localities. Specimen shows classic paragenesis of chalcoalumite and cyanotrichite covered with brochantite. Eric Petersen Collection. No faults.