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Bazzite

Year of discovery: 1915 (Seula mine, Italy), 2006 (Japan)

Locality list: A locality of bazzite

• Be₃Sc₂Si₆O₁₈
• Be₃(Sc,Al)₂Si₆O₁₈
• [Be²⁺₃][Sc³⁺₂][(SiO₃)₆]^12-

• Class: Cyclosilicate (Single ring)
• Insoluble in: HCl

• Sc => Al: Beryl

• Color: Blue
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Cleavage: Poor on {0001} (1 plane)
• Hardness: 6.5-7
• Density: 2.8

• System: Hexagonal
• Group: 6/mmm, P6/mcc
• Lattice: a=9.5, c=9.2