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Zinnwaldite series (Photo) [abbr. Znw ]

Year of discovery: 1894 (Japan)

Locality list: 56 localities of zinnwaldite

• [K][ A₂ ][Al][ X₂ | Y₂ Si₂O₁₀]

• [ Fe²⁺₂ ][ OH ][ Al₂ ]: Siderophyllite
• [ LiFe²⁺ ][ F ][ AlSi ]: Zinnwaldite
• [ Li₂ ][ F ][ Si₂ ]: Polylithionite

• Class: Trioctahedral < True mica group < Mica supergroup
• Class: Phyllosilicate
• System: Monoclinic

• Polytype: -1M (Monoclinic), -2M (Monoclinic), -3T (Trigonal)
• Fe => Mn: Masutomilite