#macrocrystalline — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #macrocrystalline, aggregated by home.social.
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Macrocrystalline (Petrology 💎)
In geology, macrocrystalline rocks have crystals large enough to easily be identified by sight with the naked eye. Macrocrystalline rocks can be further subdivided into fine-grained, medium-grained, large-grained, and coarse-grained rock, where fine-grained rocks have a grain size of less than 1 mm, medium-grained rocks have a grain size of 1 to 5 mm, large-grained rocks ...