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Kurchatovite

Year of discovery: 1965 (Solongo B deposit, Russia), 2016 (Japan)

Locality list: A locality of kurchatovite

• CaMgB₂O₅
• Ca(Mg,Mn)B₂O₅
• [Ca²⁺][Mg²⁺][B₂O₅]^4-

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

• Polymorph: Clinokurchatovite (Monoclinic)

• Ca => Mg: Suanite

• Mg => Ca: Shimazakiite

• Color: Light gray
• Luster: Vitreous
• Diaphaneity: Transparent

• Cleavage: Perfect on parallel to the elongation (1 plane), Imperfect (2 planes)
• Hardness: 4.5
• Density: 3.2

• System: Orthorhombic
• Lattice: a=11.2, b=36.4, c=5.6