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Gapéite, Gaspeite

Year of discovery: 1966 (Mont-Albert, Canada), 1989 (Japan)

Locality list: A locality of gapéite

• NiCO₃
• (Ni,Mg,Fe)CO₃
• [Ni²⁺][CO₃]^2-

• Class: Calcite group
• Class: Carbonate

• Ni => Ca: Calcite, Aragonite, Vaterite
• Ni => Mg: Magnesite (Series)
• Ni => Fe: Siderite
• Ni => Cd: Otavite
• Ni => Mn: Rhodochrosite
• Ni => Co: Spherocobaltite
• Ni => Zn: Smithsonite
• Ni => Ba: Witherite
• Ni => Sr: Strontianite
• Ni => Pb: Cerussite
• Ni => Na₂: Gregoryite

• Color: Pale green
• Streak: Yellowish green
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Distinct on {1011} (3 planes)
• Hardness: 4.5-5
• Density: 3.7

• System: Trigonal
• Group: (-3)m, R(-3)c
• Lattice: a=4.6, c=14.9