Calciopharmacoalumite

Ca0.5Al4(AsO4)3(OH)4·5H2O

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Calciopharmacoalumite is a calcium-dominant member of the pharmacoalumite group, a hydrated calcium aluminum arsenate hydroxide mineralizing in the oxidized zones of arsenic-bearing ore deposits. It forms pale greenish to colorless square prismatic crystals, often in cubic or tabular habits. The mineral is collected by enthusiasts of secondary arsenate mineralogy and studied for its pharmacoalumite-group crystal chemistry.

Frequently Asked Questions

What is the chemical formula of Calciopharmacoalumite?
The chemical formula of Calciopharmacoalumite is Ca0.5Al4(AsO4)3(OH)4·5H2O.