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Title: Photomicrograph of spherilitic riebeckite felsite; Light: PPL, Magnification x 2; At top of cliffs, 700 foot north-north-east of Bruelligaith, North Roe, Shetland Isles
Scran ID: 000-000-522-235-C
Resource Rights Holder: British Geological Survey / NERC. All rights reserved.
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