[ Top ] [ Japanese ]

Viitaniemiite

Year of discovery: 1977 (Viitaniemi pegmatite, Finland), 2014 (Japan)

Locality list: A locality of viitaniemiite

• NaCaAlPO₄F₃
• Na(Ca,Mn)AlPO₄(F,OH)₃
• [Na⁺][Ca²⁺][Al³⁺][F₃|PO₄]^6-

• Class: Phosphate - Fluoride

• Ca => Mn: Kiryuite

• Color: Pale gray, Colorless
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Hardness: 5

• System: Monoclinic
• Lattice: a=6.8, b=7.1, c=5.4, β=109.4