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Vimsite

Year of discovery: 1968 (Novofrolovskoye deposit, Russia), 2018 (Japan)

Locality list: A locality of vimsite

• CaB₂O₂(OH)₄
• [Ca²⁺][(H₂BO₃)₂]^2-

• Class: Nesoborate?

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

• Hardness: 4

• System: Monoclinic
• Lattice: a=10.0, b=9.7, c=4.4, β=92.0