Its green-yellow to yellow velvety tufts are attractive and make for an unusual mineral specimen. Although less brilliantly colored than its cousins cuprosklodowskite and uranophane , sklodowskite is still much sought after by rare mineral collectors. Remember, this is a radioactive mineral and should be stored away from other minerals that are affected by radioactivity and human exposure should be limited. Color is green-yellow to yellow. Luster is vitreous to silky.
Crystals are transparent to translucent.
Monoclinic Crystal Habits are typically fibrous tufts and crusts. Also acicular crystals in radial aggregates. Hardness is 2 - 3. Streak is pale yellow. Associated Minerals are uraninite , cuprosklodowskite and Uranophane .