"The hammer and pick, rarely referred to as hammer and chisel, is a symbol of mining, often used in heraldry. It can indicate mining, mines (especially ...
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on maps or in cartography), or miners, and is also borne as a charge in the coats of arms of mining towns.
The symbol represents the traditional tools of the miner, a hammer and a chisel on a handle, similar to a pickaxe, but with one blunt end. They are pictured in the way a right-handed worker would lay them down: the pick with the point to the right and the handle to the lower left, the hammer with the handle to the lower right and the head to the upper left. The handle of the pick protrudes over the head, because the head is not permanently fixed, but can be swapped for a newly sharpened head when it is blunt from use. In coats of arms the symbol is often shown in black (Johanngeorgenstadt, Hövels), but also in natural colours (Telnice) or in gold or silver (Abertamy, Bodenwöhr, Gelsenkirchen)." - (en.wikipedia.org 05.10.2021)
