Penninite

Variety of
Clinochlore
ClinochloreMg5Al(AlSi3O10)(OH)8

Where it forms, where it's found

9recorded occurrences
Source · OpenStreetMap

Literature, links & citation

Citations
  1. 1954Hey, Max H. (1954) A new review of the chlorites. Mineralogical Magazine and Journal of the Mineralogical Society, 30 (224) 277-292 doi:10.1180/minmag.1954.030.224.01 DOI: 10.1180/minmag.1954.030.224.01
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Penninite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/penninite-27065},
  note      = {Accessed 2026-05-11}
}