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Tellurite (Photo)

Year of discovery: 1849 (Faţa Băii, Romania), 1933 (Japan)

Locality list: 6 localities of tellurite

• TeO₂
• [Te⁴⁺][O₂]^4-

• Class: Oxide

• Polymorph: Paratellurite (Tetragonal)

• Te => Ge: Argutite
• Te => Mn: Pyrolusite (β), Ramsdellite (γ), Akhtenskite (ε)
• Te => Ti: Rutile, Anatase, Brookite
• Te => Pb: Scrutinyite (α), Plattnerite
• Te => Si: Quartz (α), β-Quartz (β), Tridymite, Cristobalite, Coesite, Stishovite, Mogánite (Moganite)
• Te => V: Paramontroseite
• Te => Mo: Tugarinovite
• Te => U: Uraninite
• Te => Th: Thorianite
• Te => Ce: Cerianite-(Ce)
• Te => Se: Downeyite
• Te => Zr: Baddeleyite
• Te => Sn: Cassiterite

• Color: Pale yellow, White, Yellow
• Streak: White
• Luster: Adamantine
• Diaphaneity: Transparent

• Habit: Platy

• Cleavage: Perfect on {010} (1 plane)
• Hardness: 2
• Density: 5.9

• System: Orthorhombic
• Group: mmm, Pbca
• Lattice: a=5.6, b=12.0, c=5.5