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Aluminoceladonite

Year of discovery: 1998 (Anna chapel, Austria, and Frohsdorf, Austria), 2003 (Japan)

Locality list: 3 localities of aluminoceladonite

• KMgAlSi₄O₁₀(OH)₂
• K(Mg,Fe²⁺)(Al,Fe³⁺)Si₄O₁₀(OH)₂
• [K⁺][Mg²⁺][Al³⁺][(OH)₂|Si₄O₁₀]^6-

• Class: Celadonite series < Dioctahedral < True mica group < Mica supergroup
• Class: Phyllosilicate - Hydroxide
• Radioactive: Very weak

• Mg => Fe: Ferro-aluminoceladonite (Series)

• Al => Fe: Celadonite (Series)
• Al => Cr: Chromceladonite

• MgSi => Al₂: Muscovite

• Color: Green
• Streak: Pale green
• Luster: Earthy
• Diaphaneity: Translucent-Opaque

• Habit: Earthy

• Cleavage: Perfect on {001} (1 planes)

• System: Monoclinic
• Group: 2/m, C2/m