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Smectite-clay
A rock classification type
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About Smectite-clay
Unique Identifiers
Mindat ID:
49392
Long-form identifier:
mindat:1:1:49392:3
Classification of Smectite-clay
Sub-divisions of Smectite-clay
- Smectite-clay
Mineralogy of Smectite-clay
Essential minerals - these are minerals that are required within the classification of this rock:
| Smectite | A petrological term for Smectite Group. |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Internet Links for Smectite-clay
mindat.org URL:
https://www.mindat.org/min-49392.html
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References for Smectite-clay
Reference List:


Rio Grande do Sul, Brazil