Small, rounded Garnet crystal (with quartz inclusions) surrounded by muscovite crystals and quartz vein in a mylonitic micaschist from Norumbega fault, South-Central Maine (USA). Thanks to David P West for the sample. PPL, XPL and XPL + lambda plate. 10x (Field of view 2 mm) https://t.co/jVHjUFFRhb
— Alexstrekeisen (@alexstrekeisen) Jan 8, 2022
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January 09, 2022 at 02:20AM
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