Uraninite
At a glance
- Type
- Mineral
- Group
- Oxide
- Crystal system
- Cubic
- Hardness
- Hard (5.5 to 7.5)
- Colour
- Black
- Lustre
- Resinous, Dull
- Use
- Ore
- Difficulty in WildGuessr
- Medium
Did you know?
- The Curies found radium in pitchblende, a form of uraninite, from the mines at Jáchymov in Bohemia.
- Uranium in minerals such as uraninite slowly turns into lead, a clock that lets scientists date rocks.
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Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q206467 · All stones · All entries