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Desautelsite

Year of discovery: 1979 (Cedar Hill quarry (Stoltzfuss quarry), USA), 1982 (Japan)

Locality list: 9 localities of desautelsite

• Mg₆Mn₂CO₃(OH)₁₆,4H₂O
• [Mg²⁺₆][Mn³⁺₂][(OH)₁₆|CO₃]^18-,4H₂O

• Class: Hydrotalcite group < Hydrotalcite supergroup
• Class: Carbonate - Hydroxide - Hydrate

• Mn => Al: Manasseite, Hydrotalcite
• Mn => Fe: Pyroaurite, Sjögrenite (Sjogrenite)
• Mn => Cr: Stichtite

• Color: Orange
• Streak: Pale orange
• Luster: Pearly
• Diaphaneity: Transparent

• Cleavage: Perfect on {0001} (1 planes)
• Hardness: 2
• Density: 2.1

• System: Trigonal
• Group: (-3)m, R(-3)m
• Lattice: a=3.1, c=23.4