Azurite, native copper and malachite specimens from the collection.



[Photo of azurite specimen.]
The mineral azurite is a brilliant azure blue.
 
  [Photo of the copper carbonate azurite beside a copper penny.]
Azurite beside a copper penny.



[A crystal of native copper.] [A crystal of native copper.]
A branching, crystalline structure of native copper. Individual crystals are octahedral and dodecahedral.



[A sample of malachite.]
A sample of malachite.



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