[Rockhounds] Do Microorganisms Eat Garnets?

[Paul]

Tiny tunnels inside garnets appear to be the result of boring
microorganisms, Public Library of Science, Physorg, August 8, 2018,
https://phys.org/news/2018-08-tiny-tunnels-garnets-result-microorganisms.html
https://eurekalert.org/pub_releases/2018-08/p-tti080118.php
https://cosmosmagazine.com/geoscience/tiny-tunnels-in-gemstones-found-to-be-caused-by-microbes

Ivarsson M, Skogby H, Phichaikamjornwut B, Bengtson S,
Siljeström S, Ounchanum P, et al. (2018) Intricate tunnels
in garnets from soils and river sediments in Thailand –
Possible endolithic microborings. PLoS ONE 13(8): e0200351. 
doi.org/10.1371/journal.pone.0200351
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0200351

Yours,

Paul H.