rock hammer red limestone isolated white background | 
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| navigate by keyword : background black caco3 calcite calcium carbon carbonate charcoal chemical clastic closeup coal composed composition crystal decoration energy food fossil fuel geology grains granite hammer heart isolated limestone love macro material mica mineral mining natural nature object organic piece precious primarily pyrite quartz raw red reef rock sandsized sandstone sandtone sea sedimentary shape shaped shell stone strange texture unique vein white		 | 
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| A geologist`s hammer, rock hammer, rock pick, or geological pick is a hammer used for splitting and breaking rocks. Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO3. | 
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