Although potentially stable at lower pressure and low temperature, the activity of water is usually high enough under such conditions that it is replaced by hydrous aluminosilicates such as muscovite, pyrophyllite, or kaolinite.
Ọ bụ ezie na ike nwere ike mụ na ala nsogbu na ala okpomọkụ, ọrụ nke mmiri na-abụkarị elu ezu n'okpuru ọnọdụ ndị dị otú ahụ na ọ na-anọchi hydrous aluminosilicates dị ka muscovite, pyrophyllite, ma ọ bụ kaolinite.