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scoria
vs.
pumice
BACK TO
pumice
scoria vs. pumice
scoria
[
skawr
-ee-
uh
,
skohr
- ]
show ipa
noun,
the refuse, dross, or slag left after melting or smelting metal; scum.
a cinderlike basic cellular lava.
pumice
[
puhm
-is ]
show ipa
noun
verb (used with object),