Modraite

Ca19Fe2+Al4(Al6Fe2+2)(◻4)◻(SiO4)10(Si2O7)4(OH)10

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Modraite is a rare copper iron sulfate hydroxide mineral first characterized from the oxidized zones of copper deposits in Slovakia's famous ore-mining districts. It forms pale blue to greenish-blue microcrystalline masses on limonitic gossan surfaces. The mineral contributes to the known diversity of secondary copper sulfate hydroxide phases in the oxidized zones of Central European ore deposits.

Frequently Asked Questions

What is the chemical formula of Modraite?
The chemical formula of Modraite is Ca19Fe2+Al4(Al6Fe2+2)(◻4)◻(SiO4)10(Si2O7)4(OH)10.