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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 ...
The basic anatomy of a millstone. This is a runner stone; a bedstone would not have the "Spanish Cross" into which the supporting millrind fits. Millstones or mill stones are stones used in gristmills, used for triturating, crushing or, more specifically, grinding wheat or other grains. They are sometimes referred to as grindstones or grinding ...
A gristmill (also: grist mill, corn mill, flour mill, feed mill or feedmill) grinds cereal grain into flour and middlings. The term can refer to either the grinding mechanism or the building that holds it. Grist is grain that has been separated from its chaff in preparation for grinding.
Quern-stones are stone tools for hand- grinding a wide variety of materials, especially for various types of grains. They are used in pairs. The lower stationary stone of early examples is called a saddle quern, while the upper mobile stone is called a muller, rubber, or handstone. The upper stone was moved in a back-and-forth motion across the ...
In archaeology, ground stone is a category of stone tool formed by the grinding of a coarse-grained tool stone, either purposely or incidentally. Ground stone tools are usually made of basalt, rhyolite, granite, or other cryptocrystalline and igneous stones whose coarse structure makes them ideal for grinding other materials, including plants ...
The grooves are 50–100 cm (20–39 in) long, c. 10 cm (3.9 in) deep and c. 10 cm (3.9 in)wide. [5] The grooves began to attract scholarly attention in the 1850s. At first they were called "sharpening stones", but later they received the name "sword sharpening stones". After some time, newspapers and scholarly publications began to dispute ...
Grinding grooves on Rocky Ridge. The Gympie Pyramid is a nickname for an archaeological site otherwise known as Rocky Ridge, or Djaki Kundu by the Gubbi Gubbi / Kabi Kabi people. [1] It consists of the rounded eastern end of a sandstone ridge, and is located on the Gympie Connection Road, some 5 km (3.1 mi) north-east of the town of Gympie in ...
A metate (or mealing stone) is a type or variety of quern, a ground stone tool used for processing grain and seeds. In traditional Mesoamerican cultures, metates are typically used by women who would grind nixtamalized maize and other organic materials during food preparation (e.g., making tortillas). Similar artifacts have been found in other ...