- pearls before swine, cast not,
Origin of pearlite
Origin of perlite
Examples from the Web for pearlite
Several other ingredients of importance, as pearlite, illustrated on the opposite page, have also been studied.Inventors at Work|George Iles
The magnification is too small to show the zebra striping of the pearlite.
The iron thus liberated, as the ferrite of this pearlite, changes simultaneously to α-ferrite.