ULEXITE (Sodium Calcium Borate Hydroxide) | |
ULLMANNITE (Nickel Antimony Sulfide) | |
URANINITE (Uranium Oxide) | |
URANOCIRCITE (Hydrated Barium Uranyl Phosphate) | |
URANOPHANE (Hydrated Calcium Uranyl Silicate) | |
URANOPILITE (Hydrated Uranyl Sulfate Hydroxide) | |
UVAROVITE (Calcium Chromium Silicate) | |
UVITE (complex Calcium Sodium Magnesium Iron Boro-Aluminum Silicate Hydroxide) |