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Ansermetite

Year of discovery: 2002 (Fianel mine, Switzerland), 2007 (Japan)

Locality list: A locality of anorthoclase

• MnV₂O₆,4H₂O
• [Mn²⁺][(VO₃)₂]^2-,4H₂O

• Class: Inovanadate

• Mn => Ca: Rossite

• Color: Deep red
• Streak: Orange
• Luster: Adamantine
• Diaphaneity: Transparent

• Cleavage: Perfect on {110} (1 plane)
• Hardness: 3
• Density: 2.6

• System: Monoclinic
• Group: 2/m, C2/m
• Lattice: a=13.2, b=10.1, c=7.0, β=111.6