Need help identifying specimen!

[Tee. Garibay]

 

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[RustyGold]

Maybe Chrysocolla..a sharply colored mineral. Its color can be among the brightest shade of blue and green, and is caused by its copper content. Chrysocolla is often coated by a drusy layer of glossy clear Quartz, or intergrown together with the Quartz.

The chemical formula for Chrysocolla is not clearly defined, as it contains a varying substitution of elements and water content in its chemical structure. Though a more definitive form of Chrysocolla with an identifiable chemical formula can exist in microcrystals, most forms are considered amorphous. Multiple analyses of different compositions have been offered over the years.
Best of luck!