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A comment on The transparent chip inside a vintage Hewlett-Packard floppy drive. Parent comment

Re:The transparent chip inside a vintage Hewlett-Packard flo... by blacksmith_tb on Wednesday December 20, 2023 @09:12PM (#38716262)
Ruby (the gemstone) is just a red sapphire, in fact[1]. So maybe?

1: https://geology.com/gemstones/ruby-and-sapphire/

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