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Hureaulite

Year of discovery: 1825 (Les Hureaux, France), 1996 (Japan)

Locality list: A locality of hureaulite

• Mn₅(HPO₄)₂(PO₄)₂,4H₂O
• (Mn,Fe)₅(HPO₄)₂(PO₄)₂,4H₂O
• [Mn²⁺₂][Mn²⁺][Mn²⁺₂][(HPO₄)₂|(PO₄)₂]^10-�E4H₂O

• Class: Hureaulite group
• Class: Phosphate - Hydrate
• Soluble in: HCl, HNO₃, H₂SO₄

• PO₄ => AsO₄: Miguelromeroite

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

• Cleavage: Good on {100} (1 plane)
• Hardness: 5
• Density: 3.2

• System: Monoclinic
• Group: 2/m, C2/c
• Lattice: a=17.6, b=9.1, c=9.4, β=96.7

Synonym: Huréaulite