[ Top ] [ Japanese ]

Krennerite

Year of discovery: 1877 (Sacarîmb, Romania), 1944 (Japan)

Locality list: 3 localities of krennerite

• AuTe₂
• (Au,Ag)Te₂
• [Au³⁺][Te₂]

• Class: Krennerite group
• Class: Telluride

• Polymorph: Calaverite (Monoclinic)

• Au => Ni: Melonite
• Au => Pd: Merenskyite
• Au => Pt: Moncheite
• Au => Ir: Shuangfengite

• Au₂ => AgAu: Sylvanite, Muthmannite
• Au₂ => CuAu: Kostovite

• Color: Silver white
• Tarnish: Bronze yellow
• Streak: Pale greenish gray
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Prismatic
• Striation: [001]

• Cleavage: {001} Perfect (1 plane)
• Hardness: 2-3
• Density: 8.6

• System: Orthorhombic
• Group: mm2, Pma2
• Lattice: a=16.6, b=8.8, c=4.5

Etymology: Joseph A. Krenner (1839-1920), Hungarian mineralogist