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Nifontovite

Year of discovery: 1961 (Novofrolovskoye B deposit, Russia), 1994 (Japan)

Locality list: A locality of nifontovite

• Ca₃B₆O₁₂,8H₂O
• [Ca²⁺₃][(H₂BO₃)₆],2H₂O

• Class: Cyclo-Borate
• Fluorescence: Long UV excitation (Purple)

• Color: Colorless, Gray
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Indistinct
• Hardness: 3.5
• Density: 2.4

• System: Monoclinic
• Group: 2/m, C2/c
• Lattice: a=13.1, b=9.5, c=13.6, β=119.6