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Philipsbornite

Year of discovery: 1982 (Red Lead mine, Australia), 1982 (Japan)

Locality list: 6 localities of philipsbornite

• PbAl₃(AsO₄)₂(OH)₅,H₂O
• [Pb²⁺][Al³⁺₃][(OH)₆|HAsO₄|AsO₄]^11-

• Class: Dussertite group < Alunite supergroup
• Class: Arsenate - Hydroxide

• Pb => Ca: Arsenocrandallite
• Pb => Sr: Arsenogoyazite

• Al => Fe: Segnitite

• HAsO₄ => SO₄: Hidalgoite

• AsO₄ => PO₄: Plumbogummite

• (AsO₄)(HAsO₄) => (PO₄)(SO₄): Hinsdalite, Orpheite

• Color: Colorless, Yellow, Green, Gray
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: No
• Hardness: 4.5
• Density: 4.3

• System: Trigonal
• Group: 3m, R3m
• Lattice: a=7.2, c=17.2