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Frolovite

Year of discovery: 1957 (Novofrolovskoye B deposit, Russia), 1995 (Japan)

Locality list: A locality of frolovite

• CaB₂(OH)₈
• [Ca²⁺][(H₄BO₄)₂]^2-

• Class: Neso-Borate

• Color: Grayish white
• Streak: White
• Luster: Earthy
• Diaphaneity: Translucent

• Hardness: 3.5
• Density: 2.1

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=7.8, b=5.7, c=8.1, α=113.2, β=101.7, γ=107.9