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Horiite

Year of discovery: 2025 (Japan as the first occurence in the World)

Locality list:

• Ba₂Mn₂Mn₄Ti₂(Si₂O₇)₂(PO₄)₂O₂(OH)₂
• [Ba²⁺₂Mn²⁺₂][Mn²⁺₄][Ti⁴⁺₂][(OH)₂|O₂|(PO₄)₂|(Si₂O₇)₂]^24-

• Class: Sorosilicate - Phosphate - Oxide - Hydroxide

• Color: Orange
• Luster: Vitreous
• Diaphaneity: Translucent

• Habit: Platy

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=5.4, b=13.9, c=14.3, α=98.7, β=93.8, γ=90.1

Etymology: Hidemichi Hori (1934-2019), Japanese mineralogist