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Sugakiite

Year of discovery: 2008 (Japan as the first occurence in the World)

Locality list: A locality of sugakiite

• CuFe₈S₈
• Cu(Fe,Ni)₈S₈
• [Cu²⁺][Fe²⁺₈][S₈]

• Class: Pentlandite group
• Class: Sulfide

• Cu => Fe: Pentlandite, Mackinawite
• Cu => Ag: Argentopentlandite
• Cu => Pb: Shadlunite
• Cu => Mn: Manganoshdlunite

• Color: Yellowish brown
• Luster: Metallic
• Diaphaneity: Opaque

• Cleavage: No
• Hardness: 2-3
• Density: 4.5

• System: Tetragonal
• Group: 4/mmm, P4₂/mnm
• Lattice: a=10.6, c=9.7

Etymology: Professor. Asahiko Sugaki (1923-2010), Japanese mineralogist of Tohoku University