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Uralborite

Year of discovery: 1961 (Novofrolovskoye deposit, Russia), 1998 (Japan)

Locality list: A locality of uralborite

• CaB₂O₂(OH)₄
• [Ca²⁺₂][H₃BO₄|H₅B₃O₈]^4-

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

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

• Cleavage: Indistinct
• Hardness: 4
• Density: 2.6

• System: Monoclinic
• Group: 2/m, P2₁/n
• Lattice: a=6.9, b=12.3, c=9.8, β=97.3