Grilled Cheese

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Grilled Cheese is a product of Village Compute

Version devBuilt at: 2026-10-16 08:00:47 EDT

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@nishimoto.rocksOct 3, 2026, 5:18 AM

Spinel dunite from Samani, Hokkaido, Japan.
FOV=ca.5 mm #thinsection #petrology #petrography #polarizingmicoscope

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@hydromo.bsky.socialSep 30, 2026, 11:19 PM

Thin sections (~30 μm) under crossed polars let us read minerals inside an opaque rock — quartz extinguishes every 90°.
youtube.com/shorts/Wt5-A...

#ThinSection #Petrography #EarthScience