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Vesicular Basalt Igneous Rock - 2 Pieces of Scoria

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Vesicular Basalt Igneous Rock - 2 Pieces of Scoria
- Each rock measures approximately 1-2 inches in length
- A volcanic rock
- Created by rapidly cooling magma
- Also called scoria or cinder
- Naturally occurring
An igneous, or volcanic, rock that formed due to the rapid cooling of lava that has been exposed to the open air or near the surface, it features a glassy matrix that is interspersed with minerals. Usually grey to black in color, it is known to weather rapidly to a brown or red because of the oxidization of the iron-rich minerals that are contained within it.
It is typically defined by both its mineral content, and texture. It is called vesicular Basalt, Cinder, or Scoria, it may or may not contain crystals. The vesicles are formed as dissolved gases are exsolved, resulting in the formation of small, spheroids that open into one another. It looks like a dark version of pumice, another vesicular igneous rock, though vesicular Basalt has a higher specific gravity and will sink in water.
Country USA
Brand OnlineScienceMall
Manufacturer OnlineScienceMall
ItemPartNumber 500902
Color Black
Size Small
UnitCount 1
ReleaseDate 0000-00-00

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