beehaiku: 2D yoshi (Default)
mads ([personal profile] beehaiku) wrote2025-05-18 03:31 am
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a thin section of a rock with rays of staurolite intertwining with small, rounded quartz grains. a large quartz in the center has rough edges where the staurolite interacts with the grain boundary. there's also a large pore at the bottom right  the same slide but in plain polarized light, making it much less colorful
radial staurolite intergrown with quartz in XPL and PPL