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Fluorstrophite

• Sr₄Ca(PO₄)₃F
• (Sr,Ca)₅(PO₄,CO₃)₃(F,OH)
• [Sr²⁺][Ca²⁺][Sr²⁺₃][F|(PO₄)₃]^10-

• Class: Belovite group - Apatite supergroup
• Class: Phosphate - Fluoride
• Soluble in: HCl, HNO₃

• Sr₄Ca => Ca₅: Fluorapatite
• Sr₄Ca => Sr₅: Stronadelphite
• Sr₄Ca => NaLaSr₃: Belovite-(La)
• Sr₄Ca => NaCeSr₃: Belovite-(Ce)
• Sr₄Ca => NaCeBa₃: Kuannersuite-(Ce)
• Sr₄Ca => Sr₂Ba₃: Miyahisaite
• Sr₄Ca => SrCa₄: Fluorcaphite

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

• Habit: Prismatic, Platy

• Cleavage: Imperfect on {1011} (3 planes)
• Hardness: 5
• Density: 3.8

• System: Hexagonal
• Group: 6/m, P6₃/m
• Lattice: a=9.6, c=7.1

Synonym: Apatite-(SrOH) had been valid during 2008-2010. Strontium-apatite