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Childrenite

Year of discovery: 1823 (Tavistock district, UK), 1977 (Japan)

Locality list: A locality of childrenite

• FeAlPO₄(OH)₂,H₂O
• (Fe²⁺,Mn²⁺)Al(PO₄)(OH)₂,H₂O
• [Fe²⁺][Al³⁺][(OH)₂|PO₄]^5-,H₂O

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

• Fe => Mn: Eosphorite (Series)

• Color: Yellowish brown
• Streak: White
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

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

• System: Orthorhombic, Monoclinic?
• Group: mm2, Ccc2
• Lattice: a=10.4, b=13.4, c=6.9