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Ruthenium

Year of discovery: 1974 (Japan as the first occurence in the World)

Locality list: 5 localities of ruthenium

• Ru
• (Ru,Ir)

• Class: Osmium group
• Class: Native elements

• Ru => Ir: Iridium, Rutheniridosmine
• Ru => Pt: Platinum
• Ru => Pd: Palladium
• Ru => Rh: Rhodium
• Ru => Os: Osmium
• Ru => Fe: Hexaferrum, Iron
• Ru => Ni: Nickel, Taenite

• Color: Silver white
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Tabular
• Aggregate: in rutheniridosmine and platinum

• Hardness: 6.5
• Density: 12.2

• System: Hexagonal
• Group: 6/mmm, P6₃/mmc
• Lattice: a=2.7, c=4.3

Etymology: Ruthenia (Ukraine) in Latin where this element was found for the first time.

Synonym: Native Ruthenium