{{One source|date=January 2016}} '''Delessite''' is a mineral variety, a magnesium-rich form of chamosite which is a member of the chlorite group. Delessite has the chemical formula {{chem|(Mg|,Fe|,Fe|,Al)|(Si|,Al)|4|O|10|(O|,OH)|8}}.
==References== *[http://www.mindat.org/min-1250.html Mindat with location data]
Category:Chlorite group
{{silicate-mineral-stub}}