Scientists have released photographs of what they believe are volcanic glass particles from Iceland which fell on Scotland this week.
The samples were taken from a car windscreen in Aberdeen and analysed at the city's James Hutton Institute.
The images of the tiny particles were taken using a scanning electron microscope.
Sharp: One of the fragments of glass that rained on Aberdeen is shown under a microscope
Scientists said it was ‘highly likely’ the glass particles, which are part of the ash constituents, came from the Grimsvotn volcano which started erupting on Saturday.
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