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SCORIA (FROTHY VOLCANIC LAVA) - Heimaey (1973 eruption), Iceland

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Home > MINERALS > UNUSUAL ROCKS AND MINERALS - WEIRD AND WONDERFUL !

SCORIA
  
From the 1973 eruption of Eldfell,
Heimaey, Iceland
  
Scoria is a dark-coloured volcanic rock containing numerous holes, or vesicles; but in contrast to pumice it is heavier and doesn’t float in water.

It is a typical product of a volcano, and usually forms part of a lava flow. The cavities form when gases that were dissolved in the magma come out of solution when it erupts. An old name for scoria is volcanic cinder.

Many volcanoes form what is called cinder cones, consisting mostly of scoria and volcanic ash that has been built around a volcanic vent.
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Click on a picture for a larger image
Size: 8 x 6 x 4 centimetres
Weight:  98 grams

PRICE: £14.00
SCORIA (FROTHY VOLCANIC LAVA) -  Heimaey (1973 eruption), Iceland
SCORIA (FROTHY VOLCANIC LAVA) -  Heimaey (1973 eruption), Iceland SCORIA (FROTHY VOLCANIC LAVA) -  Heimaey (1973 eruption), Iceland SCORIA (FROTHY VOLCANIC LAVA) -  Heimaey (1973 eruption), Iceland SCORIA (FROTHY VOLCANIC LAVA) -  Heimaey (1973 eruption), Iceland