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Shojiite

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

Locality list:

• Na₂Mg₆Si₈O₂₂(OH)₂
• [Na⁺][Mg²⁺][Na⁺][Mg²⁺₅][(OH)₂|(Si₄O₁₁)₂]^14-

• Class: Na amphibole subgroup < w(OH,F,Cl)-dominant amphibole group < Amphibole supergroup
• Class: Inosilicate (Double chain) - Hydroxide

• Mg => Ca: Richterite

• Luster: Vitreous
• Diaphaneity: Translucent

• System: Monoclinic
• Group: 2/m, B2/m
• Lattice: a=9.8, b=17.9, c=5.3, β=103.5