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Kushiroite

• CaAl₂SiO₆
• [Ca²⁺][Al³⁺][AlSiO₆]^5-

• Class: Pyroxene supergroup
• Class: Ino-Aluminosilicate (Single chain)

• Al => Fe: Esseneite
• Al => Ti: Grossmanite
• Al => Sci: Davisite

• System: Monoclinic
• Group: 2/m, C2/c
• Lattice: a=9.6, b=8.7, c=5.3, β=106.1

Etymology: Professor Ikuo Kushiro (1934-), Japanese petrologist of the University of Tokyo