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Saneroite

Year of discovery: 1981 (Valgraveglia mine (Gambatesa mine), Italy), 2013 (Japan)

Locality list: A locality of saneroite

• Na₂Mn₁₀VSi₁₁O₃₄(OH)₄
• Na₂(Mn,Fe)₁₀VSi₁₁O₃₄(OH)₄
• [Na⁺₂][Mn³⁺₁₀][(OH)₄|V⁵⁺Si₁₁O₃₄]

• Class: Ino-Vanadosilicate

• Color: Reddish brown
• Streak: White
• Luster: Resinous
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect (2 planes)
• Hardness: 6-7
• Density: 3.5

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=9.7, b=10.0, c=9.1, α=92.7, β=117.1, γ=105.3