[ Top ] [ Japanese ]

Altaite

Year of discovery: 1845 (Second Zavodinskii mine, Kazakhstan), 1934 (Japan)

Locality list: 8 localities of altaite

• PbTe
• [Pb²⁺][Te]

• Class: Galena group
• Class: Telluride

• Pb => Ag: Empressite
• Pb => Hg: Coloradoite
• Pb => Bi: Tsumoite
• Pb => Cu: Vulcanite

• Te => Se: Clausthalite
• Te => S: Galena

• Color: Silver
• Tarnish: Yellowish brown, Blue
• Streak: Black
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Cubic, Octahedral

• Cleavage: Perfect on {100} (3 planes)
• Hardness: 2.5
• Density: 8.2

• System: Cubic
• Group: m3m, Fm3m
• Lattice: a=6.4

Etymology: Altai moutains, Russia