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Bismite

Year of discovery: 1868 (Colavi mine, Bolivia), 1915 (Japan)

Locality list: 17 localities of bismite

• Bi₂O₃
• [Bi³⁺₂][O₃]^6-

• Class: Oxide

• Polymorph: Sphaerobismoite (Tetragonal)

• Bi => Fe: Hematite (α), Maghemite (γ)
• Bi => Cr: Eskolaite
• Bi => V: Karelianite
• Bi => Ti: Tistarite
• Bi => Mn: Bixbyite (γ)
• Bi => Al: Corundum (α)
• Bi => As: Arsenolite, Claudetite
• Bi => Sb: Sénarmontite (Senarmontite), Valentinite

• Bi₂ => AsSb: Stibioclaudetite

• Color: Grayish green-Yellowish green-Yellow
• Streak: Grayish yellow
• Luster: Adamantine
• Diaphaneity: Translucent

• Cleavage: No
• Hardness: 4.5
• Density: 9.0

• System: Monoclinic
• Group: 2/m, P2₁/c
• Lattice: a=5.9, b=8.2, c=7.5, β=112.9

Etymology: Chemical composition and its appearance