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Manganberzeliite (Photo)

Year of discovery: 1894 (Långban, Sweden), 1975 (Japan)

Locality list: 2 localities of manganberzeliite

• NaCa₂Mn₂(AsO₄)₃
• (Ca,Na)₃(Mn,Mg)₂(AsO₄)₃
• [Na⁺][Ca²⁺₂][Mn²⁺₂][(AsO₄)₃]^9-

• Class: Berzeliite group < Garnet supergroup
• Class: Arsenate
• Soluble in: HCl, HNO₃

• Mg => Mn: Berzeliite (Series)

• AsO₄ => VO₄: Palenzonaite

• Color: Yellow, Orange, which becomes deeper red by increasing Mn content
• Streak: White-Orange
• Luster: Resinous
• Diaphaneity: Transparent-Translucent

• Cleavage: No
• Hardness: 4.5-5
• Density: 4.3

• System: Cubic
• Group: m3m, Ia3d
• Lattice: a=12.5