[ Top ] [ Japanese ]

Arseniopleite

Year of discovery: 1888 (Sjögruvan, Sweden), 1998 (Japan)

Locality list: A locality of arseniopleite

• NaCaMn₃(AsO₄)₃
• Na(Ca,Pb)Mn²⁺(Mn²⁺,Mg,Fe²⁺)₂(AsO₄)₃
• [Na⁺][Ca²⁺][Mn²⁺][Mn²⁺₂][(AsO₄)₃]^9-

• Class: Alluaudite group
• Class: Arsenate

• Mn => Ca: Caryinite

• CaMn₃ => Cu₄: Bradaczekite

• AsO₄ => PO₄: Varulite

• Color: Dark brown-Reddish brown
• Streak: Yellowish brown
• Luster: Resinous
• Diaphaneity: Translucent-Opaque

• Cleavage: Distinct
• Hardness: 3.5

• System: Monoclinic
• Group: 2/m, P2₁/b
• Lattice: a=11.3, b=13.1, c=6.9, β=99.0