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Hauerite

Year of discovery: 1846 (Kalinka, Slovakia), 1935 (Japan)

Locality list: 5 localities of hauerite

• MnS₂
• [Mn²⁺][S₂]^2-

• Class: Pyrite group
• Class: Disulfide
• Soluble in: HCl
• Odor: Rotten egg odor (by solving in HCl)

• Mn => Fe: Pyrite, Marcasite
• Mn => Co: Cattierite
• Mn => Os: Erlichmanite
• Mn => Ru: Laurite
• Mn => Ni: Vaesite
• Mn => Cu: Villamanínite (Villamaninite)
• Mn => W: Tungstenite
• Mn => Mo: Molybdenite, Jordisite

• Color: Reddish brown, Brownish gray
• Tarnish: Black
• Streak: Reddish brown
• Luster: Metallic
• Diaphaneity: Opaque

• Habit: Octahedral
• Aggregate: Globular

• Cleavage: Perfect on {001} (3 planes)
• Hardness: 4
• Density: 3.5

• System: Cubic
• Group: m3, Pa3
• Lattice: a=6.1

Etymology: Joseph Ritter von Hauer (1778-1863) and his son Franz von Hauer (1822-1899), Australian geologists