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Morinite

Year of discovery: 1891 (Montebras mines, France), 2014 (Japan)

Locality list: A locality of morinite

• NaCa₂Al₂(PO₄)₂(OH)F₄,2H₂O
• NaCa₂Al₂(PO₄)₂(OH,F)₅,2H₂O
• [Na⁺][Ca²⁺₂][Al³⁺₂][F₄|OH|(PO₄)₂]^11-,2H₂O

• Class: Phosphate - Fluoride - Hydroxide - Hydrate
• Soluble in: H₂SO₄ (Decompose), Aqua regia (Decompose)

• PO₄ => AsO₄: Esperanzaite

• Color: Colorless, White, Pale pink
• Streak: White
• Luster: Vitreous
• Diaphaneity: Translucent

• Cleavage: Perfect on {100} (1 plane), Imperfect on {001} (1 plane)
• Hardness: 4-4.5
• Density: 2.9

• System: Monoclinic
• Group: 2/m, P2₁/m
• Lattice: a=9.5, b=10.7, c=5.4, β=105.5