[ Top ] [ Japanese ]

Cotunnite

Year of discovery: 1825 (Monte Vesuvius, Italy), 2002 (Japan)

Locality list: A locality of cotunnite

• PbCl₂
• [Pb²⁺][Cl₂]^2-

• Class: Chloride

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

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

• Cleavage: Perfect on {010} (1 plane)
• Hardness: 1.5-2
• Density: 5.8

• System: Orthorhombic
• Group: mmm, Pnam
• Lattice: a=7.6, b=9.0, c=4.5