scoria

As a noun scoria

is the slag or dross that remains after the smelting of metal from an ore.

As an adjective undefined is

lacking a definition or value.

As an adjective vesicular

is of or pertaining to vesicles.

As a noun scoria is

the slag or dross that remains after the smelting of metal from an ore.

As nouns the difference between rocks and scoria

is that rocks is while scoria is the slag or dross that remains after the smelting of metal from an ore.

As a verb rocks

is third-person singular simple present of to rock.

As a verb rock

is (rycka).

As a noun scoria is

the slag or dross that remains after the smelting of metal from an ore.

As nouns the difference between basalt and scoria

is that basalt is a hard mafic igneous rock of varied mineral content; volcanic in origin, it makes up much of the Earth's oceanic crust while scoria is the slag or dross that remains after the smelting of metal from an ore.

In geology|lang=en terms the difference between scoria and pyroxenite

is that scoria is (geology) rough masses of rock formed by solidified lava, and which can be found around a volcano's crater while pyroxenite is (geology) a heavy, dark igneous rock consisting mostly of pyroxene minerals with smaller amounts of olivine and hornblende.

As nouns the difference between scoria and pyroxenite

is that scoria is the slag or dross that remains after the smelting of metal from an ore while pyroxenite is (geology) a heavy, dark igneous rock consisting mostly of pyroxene minerals with smaller amounts of olivine and hornblende.

Blacklava is likely misspelled.

Blacklava has no English definition.

As a noun scoria

is the slag or dross that remains after the smelting of metal from an ore.

is likely misspelled.

has no English definition.

As a noun scoria

is the slag or dross that remains after the smelting of metal from an ore.

As a noun scoria is

the slag or dross that remains after the smelting of metal from an ore.

As nouns the difference between scoria and scotia

is that scoria is the slag or dross that remains after the smelting of metal from an ore while scotia is a concave molding with a lower edge projecting beyond the top.