Examples of hydrated minerals include:
* silicates (, )
** phyllosilicates, clay minerals "commonly found on Earth as weathering products of rocks or in hydrothermal systems"
***chlorite
*** muscovite
* non-silicates
** oxides (, , , etc.) and oxy-hydroxides
*** brucite,  
*** goethite, FeO(OH)
** carbonates (, etc.)
*** hydromagnesite, 
*** ikaite, , the unstable hexahydrate form of calcium carbonate
**  hydroxylated minerals 
*** saponite
*** talc
** hydroxysulfides (mixed sulfides-hydroxides)
*** tochilinite, a hydroxysulfide or hydrated sulfide mineral of iron(II) and magnesium of chemical formula: <br />, also written , in IMA notation
*** valleriite, an uncommon sulfide-hydroxide mineral of iron(II) and copper of chemical formula: <br />, or