montmorillonite
smectite, phyllosilicate mineral
Press Enter · cited answer in seconds
0 sources
Summary
montmorillonite is a mineral species[1]. montmorillonite ranks in the top 5% of mineral species entities by monthly Wikipedia readership (1,630 views/month).[2]
Key Facts
- Named after: Montmorillon[3]
- Chemical formula: (Na,Ca)₀.₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂ * nH₂O[4]
- Subclass of: smectite mineral group[5]
- Commons category: Montmorillonite[6]
- Crystal system: monoclinic crystal system[7]
- IMA status and/or rank: grandfathered mineral (G)[8]
- Strunz 8th edition (series ID, updated): VIII/E.08a[9]
- Nickel-Strunz 9th edition (updated 2009): 9.EC.40[10]
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.EC.40[11]
- Mohs' hardness: 1.3[12]
- Described by source: Brockhaus and Efron Encyclopedic Dictionary[13], Great Soviet Encyclopedia (1926–1947)[14], Un mot sur un morceau de quartz d'une variété particulière, ainsi que sur une substance minérale trouvée dans le département de la Vienne[15], Armenian Soviet Encyclopedia, vol. 8[16]
- Different from: dialuminum tetrasilicon dodecaoxide monohydrate[17]
- Density: 1.8 gram per cubic centimetre[18]
- Solid solution series with: beidellite[19]
- IMA Mineral Symbol: Mnt[20]
Why It Matters
montmorillonite has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[21] montmorillonite is known by 25 alternative names across languages and contexts.[22]