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Bianchite

Year of discovery: 1930 (Raibl mine, Italy), 1963 (Japan)

Locality list: 4 localities of bianchite

• ZnSO₄,6H₂O
• (Zn,Fe²⁺)SO₄,6H₂O
• [Zn(H₂O)₆]²⁺[SO₄]^2-

• Class: Hexahydrite group
• Class: Sulfate - Hydrate
• Soluble in: Water

• Zn => Fe: Ferrohexahydrite
• Zn => Ni: Nickelhexahydrite, Retgersite
• Zn => Mg: Hexahydrite
• Zn => Co: Moorhouseite
• Zn => Mn: Chvaleticeite

• 6H₂O => H₂O: Gunningite
• 6H₂O => 4H₂O: Boyleite
• 6H₂O => 7H₂O: Zincmelanterite, Goslarite

• Color: White, Yellow
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Hardness: 2.5
• Density: 2.1

• System: Monoclinic
• Group: 2/m, P2/m
• Lattice: a=10.1, b=7.2, c=24.5, β=98.3