Orientite

Orientite Ca₈Mn³⁺₁₀(SiO₄)3(Si₃O₁₀)3(OH)₁₀ · 4H₂O, Manganese Mine, Copper Harbor, Keweenaw Co., MI

Orientite Ca₈Mn₁₀^{3+(SiO₄)3(Si₃O₁₀)3(OH)₁₀ · 4H₂O, Manganese Mine, Copper Harbor, Keweenaw Co., MI}