gneiss rock isolated white background |
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navigate by keyword : aggregate argillaceous background bas basalt black calc carbon clay coal commonly conglomerate environment environmental feng fine finegrained fluorite foliated formed forms fossil fuel gabbo gem gemmology gemology geological geology gneiss grained granite isolated jasper limestone macro mediumgrade metamorphic metamorphism mineral mudstone natural nature new ore parent phyllite piece practices quartz raw reconstitution red rock rocks rough sand sandstone schist science sedimentary shale shooting silicate single slate solid specimen spinach stone structure tectonics texture tuff used volcano white |
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Gneiss is metamorphic rock that has a distinct banding, which is apparent in hand specimen or on a microscopic scale. |
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