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Kirschsteinite

Year of discovery: 1957 (Mount Shaheru, Congo), 2018 (Japan)

Locality list: A locality of kirschsteinite

• CaFeSiO₄
• [Ca²⁺][Fe²⁺][SiO₄]^4-

• Class: Monticellite group
• Class: Nesosilicate

• Ca => Fe: Fayalite

• Fe => Mg: Monticellite (Series)
• Fe => Mn: Glaucochroite
• Fe => Ca: Calcio-olivine

• Color: Grayish green
• Streak: White
• Luster: Vitreous, Resinous
• Diaphaneity: Transparent

• Hardness: 5.5
• Density: 3.4

• System: Orthorhombic
• Group: mmm, Pnma
• Lattice: a=4.9, b=11.1, c=6.4