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Rectorite-K
A variety of Rectorite
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Formula:
(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O
A 1:1 regular interstratification of muscovite/illite (dioctahedral mica) and montmorillonite (dioctahedral smectite) is frequently called "rectorite-K" to distinguish it from regularly interstratified paragonite/montmorillonite = "rectorite-Na".
Unique Identifiers
Mindat ID:
470969 (as Rectorite-K)
3377 (as Rectorite)
3377 (as Rectorite)
Long-form identifier:
mindat:1:1:470969:1 (as Rectorite-K)
mindat:1:1:3377:6 (as Rectorite)
mindat:1:1:3377:6 (as Rectorite)
Similar Names
| Rectorite | A valid IMA mineral species - grandfathered | (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O |
Chemistry of Rectorite-K
Mindat Formula:
(Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O
Element Weights:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Rectorite-K
mindat.org URL:
https://www.mindat.org/min-470969.html
Please feel free to link to this page.
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References for Rectorite-K
Reference List:
Localities for Rectorite-K
Showing 1 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Switzerland | |
| Raber et al. (2023) |
