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Zincmelanterite

Year of discovery: 1920 (Good Hope mine, USA, and Vulcan mine, USA), 1978 (Japan)

Locality list: A locality of zincmelanterite

• ZnSO₄,7H₂O
• (Zn,Cu,Fe)SO₄,7H₂O
• [Zn(H₂O)₆]²⁺[SO₄]^2-,H₂O

• Class: Melanterite group
• Class: Sulfate - Hydrate
• Soluble in: Water
• Dehydrate to Boyleite.

• Polymorph: Goslarite (Orthorhombic)

• Zn => Mg: Epsomite, Alpersite
• Zn => Mn: Mallardite
• Zn => Fe: Melanterite
• Zn => Cu: Boothite
• Zn => Co: Bieberite
• Zn => Ni: Morenosite

• 7H₂O => H₂O: Gunningite
• 7H₂O => 4H₂O: Boyleite
• 7H₂O => 6H₂O: Bianchite

• Color: Pale green, Pale blue
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Perfect
• Hardness: 2
• Density: 2.0

• System: Monoclinic
• Group: 2/m, P2₁/c
• Lattice: a=14.1, b=6.5, c=11.0, β=105.5