1 Definition
1.1 Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
1.2 History
1.2.1 Origin
Unknown
1.2.2 Discoverer
Unknown
1.3 Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
1.4 Class
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock