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Vanadoakasakaite-(La)

Year of discovery: 2025 (Japan as the first occurence in the World)

Locality list:

• CaLaV³⁺AlMn²⁺Si₃O₁₂(OH)
• [Ca²⁺La³⁺][V³⁺Al³⁺Mn²⁺][OH|O|SiO₄|Si₂O₇]^13-

• Class: Akasakaite series < Allanite group < Epidote supergroup
• Class: Sorosilicate - Nesosilicate - Oxide - Hydroxide
• Radioactive: Weak

• La => Ce: Vanadoakasakaite-(Ce)

• V => Al: Akasakaite-(La)
• V => Fe³⁺: Ferriakasakaite-(La)
• V => Mn³⁺: Manganiakasakaite-(La)

• Mn => Fe²⁺: Vanadoallanite-(La)

• Color: Black-Brown

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=8.9, b=5.7, c=10.2, β=113.8