What Mineral Is the Hardest Known Substance in Nature

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Here Is A Fun Fact For You Diamond Is 58 Times Harder Than Any Natural Substance Making It The Hardest Material On E Gem Diamonds Gemstones Gems And Minerals

Updated Mohs Hardness Scale Diamond Is Now Listed As The 3rd Hardest Substance Known To Man Jpg From Pdf File Geology Minerals Rocks And Minerals

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