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Stumpflite

Year of discovery: 1972 (Driekop mine, South Africa)

Locality list:

• PtSb
• Pt(Sb,Bi)
• [Pt³⁺][Sb]^3-

• Class: Nickeline group
• Class: Antimonide

• Pt => Pd: Sudburyite
• Pt => Ni: Breithauptite
• Pt => Rh: Minakawaite

• Sb => Bi: Driekopite
• Sb => Fe: Tetraferroplatinum
• Sb => Cu: Hongshiite
• Sb => Sn: Niggliite

• Color: Pale yellow
• Luster: Metallic
• Diaphaneity: Opaque

• Hardness: 5
• Density: 13.5

• System: Hexagonal
• Group: 6/mmm, P6₃/mmc
• Lattice: a=4.2, c=5.5