Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock
Black, Brown, Dark Grey to Black, Red
Decorative Aggregates, Interior Decoration
Garden Decoration, Paving Stone
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
Artifacts, Monuments, Sculpture
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
Basaltic Scoria and Andesitic Scoria
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Archaeological Significance
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Erosion, Coastal Erosion, Glacier Erosion
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Afghanistan, Indonesia, Japan, Russia
Ethiopia, Kenya, Tanzania
Greece, Hungary, Iceland, Italy, Turkey
Deposits in Western Continents
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Argentina, Chile, Ecuador, Peru
Deposits in Oceania Continent
New Zealand, Western Australia
Learn more about Properties of Scoria
What is Scoria? In this section, we will learn more about properties of Scoria i.e. physical and thermal properties. Physical properties of Scoria include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Scoria is 70.00 N/mm2. Streak of Scoria is white while its cleavage is perfect. Luster of Scoria is subvitreous to dull and its fracture is conchoidal. Scoria is opaque in nature. Know all about Scoria, What is Scoria, its composition, features, facts and reserves in next sections.
Know about Composition of Scoria
What is Scoria composed of? Get to know about composition of Scoria here. Scoria definition gives information about the Formation of Scoria and its composition.The composition of Scoria can be further divided into mineral and compound content. The mineral content of Scoria rock includes Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica and The compound content of Scoria rock includes Ca, NaCl. Almost all rocks undergo transformation process. Know all about Scoria rock in next section.