Grinding Stones For Limestone

Grindstone Wikipedia

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A grindstone, also known as grinding stone, is a sharpening stone used for grinding or sharpening ferrous tools, used since ancient times Tools are sharpened by the stone's abrasive qualities that remove material from the tool through friction in order to create a fine edge Similar to sandpaper, each stone has a different grit that will result in sharper or duller tools In Australia, Aboriginal peoples

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Millstone Wikipedia

In common language, "millstone" refers to any type of rock that may have been used in a mill, whereas in the geological sense, true "millstone" is defined as a siliceous accident in a sedimentary basin The type of stone most suitable for making millstones is a siliceous rock called burrstone (or buhrstone), an opentextured, porous but tough, finegrained sandstone

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Limestone Wikipedia

Limestone ( calcium carbonate CaCO3) is a type of carbonate sedimentary rock which is the main source of the material lime It is composed mostly of the minerals calcite and aragonite, which are