#ThinSectionThursday Now that forsterite has been despatched from the #MinCup2020, let's celebrate it with these big fresh macrocrysts of Fo-rich olivine in Scotland's only known aillikite dyke, in groundmass of phlogopite, cpx, magmatic calcite, apatite, perovskite etc pic.twitter.com/9crmrxxbxY
— John Faithfull ππͺπΊπ΄σ §σ ’σ ³σ £σ ΄σ Ώ (@FaithfullJohn) September 17, 2020
via Twitter https://twitter.com/FaithfullJohn
September 17, 2020 at 10:11PM
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