uraninite
oxide mineral
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Summary
uraninite is a mineral species[1]. uraninite ranks in the top 2% of mineral species entities by monthly Wikipedia readership (3,348 views/month).[2]
Key Facts
- Named after: uranium[3]
- Chemical formula: UO₂[4]
- Subclass of: uraninite mineral group[5]
- Commons category: Uraninite[6]
- Has part(s): oxygen[7], uranium[8], uranium dioxide[9]
- Crystal system: cubic crystal system[10]
- IMA status and/or rank: grandfathered mineral (G)[11]
- Point group: cubic-hexoctahedral[12]
- Space group: space group Fm-3m[13]
- Strunz 8th edition (series ID, updated): IV/D.16b[14]
- Nickel-Strunz 9th edition (updated 2009): 4.DL.05[15]
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 4.DL.05[16]
- Described by source: Handbuch der Bestimmenden Mineralogie[17], Brockhaus and Efron Encyclopedic Dictionary[18], Small Brockhaus and Efron Encyclopedic Dictionary[19], Meyers Konversations-Lexikon, 4th edition (1885–1890)[20], Encyclopædia Britannica 11th edition[21], New Encyclopedic Dictionary[22], Granat Encyclopedic Dictionary[23]
- Density: 11055.3 kilogram per cubic metre[24]
- Type locality (geology): Jáchymov[25]
- Poisson's ratio: 0.306[26]
- Bulk modulus: 206152000000.0 pascal[27]
- Shear modulus: 92078000000.0 pascal[28]
- IMA Mineral Symbol: Urn[29]
Why It Matters
uraninite has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[30] uraninite is known by 50 alternative names across languages and contexts.[31]