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Dyke Park, Stamford, Fairfield Co., Connecticut, USA
© 2012 Harold Moritz
Technically a rock, not a mineral, being composed largely of tiny grains of quartz or chalcedony. It is usually rather pure, with few other minerals involved, often dark. The term is sometimes used synonimously for chert, sometimes as a type of of chert (being a chert concretion).
The flint nodules found in limestones and marls are concretions.
Used to manufacture stone tools in prehistoric times.
Classification of Flint
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Other Names for Flint
|Health Warning:||Quartz is usually quite harmless unless broken or powdered. Flint may have razor-sharp edges that can easily cut skin and flesh. Handle with care. Do not grind dry since long-term exposure to finely ground powder may lead to silicosis.|
Internet Links for Flint
Localities for Flint
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Wharf Mine, Bald Mountain District, Lawrence Co., South Dakota, USAFrom James Em, 11th Mar 2014 02:17:22