schist rock isolated white background |
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navigate by keyword : aggregate argillaceous background black carbon clay coal commonly environment environmental feng foliated formed forms fossil fuel gem gemmology gemology geological geology isolated jasper macro mediumgrade metamorphic metamorphism mineral mudstone natural nature new ore piece practices quartz raw red rock rocks rough sand schist science sedimentary shale shooting shui single slate solid specimen spinach stone structure tectonics texture used volcano white |
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Schist is a medium-grade metamorphic rock formed from mudstone or shale. |
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