5.65" Beautiful Dioptase Crystal Cluster on Plancheite - Sanda, Congo

Beautiful Dioptase Crystal Cluster on Plancheite - Sanda, Congo #302228

This is an alluring cluster of dioptase crystals on blue plancheite, collected from the Sanda Mine (Sanda Hills occurrences) of the Republic of the Congo. The entire specimen is 5.65" wide and the dioptase is a lustrous, emerald-green color with wonderful translucency.

Comes with an acrylic display stand.

Dioptase is an uncommon mineral, found mostly in desert regions where it forms as a secondary mineral in the oxidized zone of copper sulfide mineral deposits. This copper-based mineral forms small rhombohedral crystals, typically less than 0.75 centimeters in length. It is popular with mineral collectors due to its vibrant color and it is occasionally cut into small emerald-like gems.

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