Item talk:Q162625
From geokb
Mindat Short Description
Pyrophyllite-Talc Group. The Al analogue of ferripyrophyllite.
Two polytypes are known, a monoclinic one (2M) and a triclinic one (1A).
Geoscience Ontology Status Notes
Hermann R (1829) Zerlegung des Pyrophyllits, eines neuen Minerals, Annalen der Physik und Chemie 15, 592-592
IMA Formula (from Mindat)
Al2Si4O10(OH)2
RRUFF Formula (from Geoscience Ontology)
Al2Si4O10(OH)2