vermiculite
smectite, phyllosilicate mineral
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Summary
vermiculite is a mineral species[1]. vermiculite ranks in the top 2% of mineral species entities by monthly Wikipedia readership (4,016 views/month).[2]
Key Facts
- Named after: worm[3], animal breeding[4]
- Chemical formula: Mg₀.₇(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ * 8H₂O[5]
- Subclass of: smectite mineral group[6], clay minerals[7]
- Commons category: Vermiculite[8]
- Crystal system: monoclinic crystal system[9]
- IMA status and/or rank: grandfathered mineral (G)[10]
- Strunz 8th edition (series ID, updated): VIII/E.08 – Anhang[11]
- Nickel-Strunz 9th edition (updated 2009): 9.EC.50[12]
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update): 9.EC.50[13]
- Mohs' hardness: 1.3[14]
- Described by source: New localities of tourmalines and talc[15], Armenian Soviet Encyclopedia, vol. 11[16]
- Density: 2.55 gram per cubic centimetre[17]
- Name: вермикулит[18], vermiculite[19]
- Type locality (geology): Millbury[20]
- IMA Mineral Symbol: Vrm[21]
Why It Matters
vermiculite has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[22] vermiculite is known by 28 alternative names across languages and contexts.[23]