Sample of chiastolite, a form of the mineral andalusite containing carbonaceous inclusions giving a cross-shaped appearance. Dated 21st Century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archival, archive, century, chiastolite, historical, history, mineral, sample, samplechiastolitemineralandalusitecarbonaceouscross-shapednaturalnaturegeology21st