# Help! Tricky geology question

**URL:** <https://boards.straightdope.com/t/help-tricky-geology-question/93058>\
**Category:** Factual Questions\
**Created:** [November 13, 2001, 3:35am UTC](https://boards.straightdope.com/t/help-tricky-geology-question/93058 "2001-11-13T03:35:19Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![Geobabe](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/geobabe/32/3908_2.png) [@Geobabe](https://boards.straightdope.com/u/Geobabe)\
**Post date:** [November 16, 2001, 2:06am UTC](https://boards.straightdope.com/t/help-tricky-geology-question/93058/41 "2001-11-16T02:06:09Z")

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> [@](#):
>
> _Originally posted by Pantellerite \*  
> [BThose garnets may make lousy semi-precious gems, but I’ll betcha they’d make a great sandpaper…_\*

Didn’t have time to address this before, but if you check out the Barton site, they have a great deal of info on the wonderfully abrasive qualities of those useless garnets. 😉

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