Kintoreite

phosphate

goethite

Formula: PbFe3+3(PO4)(PO3OH)(OH)6
Forms a solid-solution series with corkite.
Specific gravity: 4.34 (calculated)
Hardness: 4
Streak: Pale yellowish green
Colour: Cream to yellowish green and brownish yellow
Occurrence: Crusts line cavities in goethite. Encrustations on quartz and garnet-rich lode rocks.

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