piles gravel limestone rocks construction site break stones |
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| navigate by keyword : background black break burning calcite calcium carbon carbonate cement clipping close coal composed construction contains definition form fossil fuel geology granite gravel gray industry isolated least lime limestone macro making material mineral mostly natural nature object ore pebble piece piles railways raw roads rock rough sedimentary site specimen stone stones texture used weight white |
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| Limestone is by definition a rock that contains at least 50% calcium carbonate in the form of calcite by weight. Break stones on construction site. Used in the industry, making roads, railways, making lime, burning, cement. |
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