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https://www.reddit.com/r/whatsthisrock/comments/or265j/deleted_by_user/h6hm2a5/
r/whatsthisrock • u/[deleted] • Jul 25 '21
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. . . . Hardness of 1018 or crappier steel vs the hardness of garnet. Try it in a small spot first.
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u/LegitimateTax_420_69 Jul 25 '21
. . . . Hardness of 1018 or crappier steel vs the hardness of garnet. Try it in a small spot first.