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Varlamoffite

Year of discovery: 1946 (Kalima, Congo (Zaïre)), 1970 (Japan)

Locality list: 2 localities of varlamoffite

• SnO₂
• (Sn⁴⁺,Fe³⁺)(O,OH)₂
• [Sn⁴⁺][O₂]^4-

• Class: Oxide
• Questionable if this is an independent species.

• Color: Yellow, Brown
• Streak: Pale yellow
• Luster: Waxy
• Diaphaneity: Translucent-Opaque

• Habit: Powder

• Cleavage: No
• Hardness: 6-6.5
• Density: 2.6

• System: Tetragonal
• Group: 4/mmm, P4₁/mnm
• Lattice: a=4.7, c=3.1