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Sepiolite from
The Caerverracks, Kennack Cove (Kennack Sands), Kennack, Grade-Ruan, Cornwall, England, UK


Locality type:Outcrop
Classification
Species:Sepiolite
Formula:Mg4(Si6O15)(OH)2 · 6H2O
Comments:Several masses of compact, white to off-white material have been observed at this location.

The masses are relatively resilient and erode to rounded forms.

Further investigation is indicated.
Habit:Massive
Colour:White, off-white to yellowish.
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Serpentine Subgroup1
- var Bastite 1
Data
Mineral Data:Click here to view Sepiolite data
Locality Data:Click here to view The Caerverracks, Kennack Cove (Kennack Sands), Kennack, Grade-Ruan, Cornwall, England, UK
Data Identifiers
Mindat Occurrence Record ID:1014695
Long-form Identifier:1:3:1014695:8
GUID (UUID V4):0
Nearest other occurrences of Sepiolite
0.0km (0.0 miles) Eastern Cliff, Kennack Cove (Kennack Sands), Kennack, Grade-Ruan, Cornwall, England, UK
0.2km (0.1 miles) Kennack, Grade-Ruan, Cornwall, England, UK
0.5km (0.3 miles) Thorny Cliff, Kennack Cove (Kennack Sands), Kennack, Grade-Ruan, Cornwall, England, UK
References
 
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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