the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > other smectites (6)
An impure variety of mesole; also, a pipe-stone from North America, having a similar composition.
A hydrous silicate of aluminium and magnesium, occurring in soft, soapy, amorphous masses, filling veins in serpentine and cavities in trap-rock.
A white or pinkish aluminosilicate of magnesium and calcium belonging to the montmorillonite group.
A clay mineral of the montmorillonite group containing a high proportion of zinc.
A brown, pink, or white magnesium-containing mineral of the montmorillonite group.
A clay mineral of the montmorillonite group which occurs as large, soft, white or light brown leaves or plates.