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Suanite

Year of discovery: 1953 (Hol Kol mine, North Korea), 1956 (Japan)

Locality list: A locality of suanite

• Mg₂B₂O₅
• [Mg²⁺₂][B₂O₅]^4-

• Class: Soro-Borate

• Mg => Ca: Shimazakiite

• Mg₂ => CaMg: Kurchatovite, Clinokurchatovite

• Color: White
• Streak: White
• Luster: Silky
• Diaphaneity: Translucent

• Cleavage: Perfect
• Hardness: 5.5
• Density: 2.9

• System: Monoclinic
• Group: 2/m, P2₁/a
• Lattice: a=12.3, b=3.1, c=9.2, β=104.3