SCORIA - fresh, iridescent pieces from an eruption of Krafla, Iceland
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From the 1977 eruption of Krafla
Krafla, near Mývatn, Suður-Þingeyjarsýsla, Iceland
Krafla, near Mývatn, Suður-Þingeyjarsýsla, Iceland
These remarkably fresh pieces of iridescent and clinker-like scoria were collected from Krafla volcano in 1979, less than two years after the eruption.
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 essentially frothy basaltic lava and usually forms part of a lava flow. An old name for scoria is volcanic cinder.
Four small pieces presented in a plastic display box.
Size: approx. 8 x 5 x 3 centimetres (size of box)
Weight: 45 grams
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