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Chloromagnesite

Year of discovery: 1873 (Monte Vesuvius, Italy), 1958 (Japan)

Locality list: A locality of chloromagnesite

• MgCl₂
• [Mg²⁺][Cl₂]^2-

• Class: Chloride
• Soluble in: Water
• Deliquescent

• Mg => Fe: Lawrencite
• Mg => Mn: Scacchite
• Mg => Cu: Tolbachite
• Mg => Pb: Cotunnite

• Cl => F: Sellaite

• Color: Colorless, White
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Density: 2.3

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=3.6, c=17.8