#conchoidal — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #conchoidal, aggregated by home.social.
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@[email protected] @Aznorth @stux This is based on:
* Obviously, colour (#jasper is just "any red #chalcedony", chalcedony being semiprecious #flint/#chert - that is, cryptocrystaline #quartz)
* Availability in large sizes
* #Conchoidal fracture
* Brittle
Obviously I can't do any more tests than that from here!