Sklodowskite
Mineral Mg(UO2)2(SiO3OH)2·6H2O
Take care.
- Radioactive: Keep it in a closed, labelled box away from where people sit or sleep, handle it briefly, wash your hands after, and never grind or cut it.
About it
Pale lemon-yellow tufts of needles in oxidized uranium deposits, the magnesium partner of cuprosklodowskite; Shinkolobwe, Congo. Named for Marie Skłodowska-Curie.
- Type
- Mineral
- Group
- Silicate (nesosilicate), uranophane group
- Formula
- Mg(UO2)2(SiO3OH)2·6H2O
- Hardness (Mohs)
- 2–3
- Specific gravity
- 3.5–3.6
- Streak
- yellow
- Lustre
- vitreous (glassy), silky
- Crystal system
- Monoclinic
- Colours
- lemon yellow, pale yellow
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect in one direction
Typical values: real specimens vary. For more, see mindat.org.