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Cuprosklodowskite

Year of discovery: 1933 (Kalongwe deposit, Congo (Zaïre)), 1959 (Japan)

Locality list: A locality of cuprosklodowskite

• Cu(UO₂)₂(HSiO₄)₂,6H₂O
• [Cu²⁺][(UO₂)²⁺₂][(HSiO₄)₂]^6-,6H₂O

• Class: Uranophane group
• Class: Uranyl - Nesosilicate - Hydrate
• Soluble in: HCl (Decompose), HNO₃ (Decompose), H₂SO₄ (Decompose)
• Radioactive: Strong

• Cu => Ca: Uranophane, β-Uranophane
• Cu => Co: Oursinite
• Cu => Mg: Sklodowskite

• Color: Yellowish green, Green
• Streak: Greenish yellow
• Luster: Silky
• Diaphaneity: Transparent-Translucent

• Cleavage: Distinct on {100} (1 planes)
• Hardness: 4
• Density: 3.9

• System: Triclinic
• Group: (-1), P(-1)
• Lattice: a=7.1, b=9.3, c=6.7, α=109.2, β=89.8, γ=110.0