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Hejtmanite

Year of discovery: 1989 (Mbolwe Hill, Zambia), 1985 (Japan)

Locality list: 2 localities of hejtmanite

• BaMn₂TiSi₂O₈(OH)₂
• Ba(Mn,Fe)₂TiSi₂O₈(OH,F)₂
• [Ba²⁺][Mn²⁺₂][Ti⁴⁺][O|(OH)₂|Si₂O₇]^10-

• Class: Sorosilicate - Oxide - Hydroxide

• Mn => Fe: Bafertisite

• Color: Yellowish brown, Yellow
• Streak: Yellowish brown
• Luster: Vitreous
• Diaphaneity: Translucent

• Cleavage: Perfect (1 plane)
• Hardness: 4.5
• Density: 4.0

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=11.7, b=13.8, c=10.7, β=112.3