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Schoepite

Year of discovery: 1923 (Shinkolobwe mine (Kasolo mine), Congo (Zaïre)), 1963 (Japan)

Locality list: 2 localities of schoepite

• (UO₂)₈O₂(OH)₁₂,12H₂O
• [(UO₂)²⁺₈][(OH)₁₂|O₂]^16-,12H₂O

• Class: Schoepite group
• Class: Uranyl - Oxide - Hydroxide - Hydrate
• Fluorescence: UV excitation (Pale green)
• Radioactive: Very strong
• Formed by alteration of Uraninite
• Dehydrate to Metaschoepite or Paraschoepite.
• Formed on dehydration of Ianthinite.

• Color: Yellowish brown, Yellow
• Streak: Yellow
• Luster: Adamantine
• Diaphaneity: Transparent

• Cleavage: Perfect on {001} (1 plane), Poor on {010} (1 plane)
• Hardness: 2.5
• Density: 4.8

• System: Orthorhombic
• Group: mmm, Pbca
• Lattice: a=14.3, b=16.8, c=14.7