Hydrated iron aluminum phosphate, known for its sky-blue crystals, often in radiating groups. It's a stone of emotional expression, clarity, and soothing the throat chakra.
Sky Blue, Bluish-Green, forms tabular or prismatic crystals, often in radiating groups
Vauxite is classified as a phosphate minerals mineral which typically crystallizes in the triclinic system. Its chemical formula is Fe2+Al2(PO4)2(OH)2.6H2O. Common crystal habits include minute tabular crystals, radial aggregates and nodules.