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Waylandite

Year of discovery: 1962 (Wampewo Hill, Uganda), 1999 (Japan)

Locality list: 3 localities of waylandite

• BiAl₃(PO₄)₂(OH)₆
• (Bi,Ca)Al₃(PO₄, SiO₄)₂(OH)₆
• [Bi³⁺][Al³⁺₃][(OH)₆|(PO₄)₂]^12-

• Class: Plumbogummite group < Alunite supergroup
• Class: Phosphate - Hydroxide

• Bi => Th: Eylettersite
• Bi => Ce: Florencite-(Ce)
• Bi => La: Florencite-(La)
• Bi => Nd: Florencite-(Nd)

• Al => Fe: Zaïrite

• Color: White, Pale brown
• Streak: White
• Luster: Waxy
• Diaphaneity: Transparent-Translucent

• Hardness: 4-5
• Density: 3.9

• System: Trigonal
• Group: (-3)m, P(-3)m
• Lattice: a=7.0, c=16.3