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A sedimentary rock composed primarily of Calcium Carbonate.
Classification of Chalk
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Physical Properties of Chalk
Other Names for Chalk
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
Internet Links for Chalk
Localities for Chalk
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: Colaride Quarry, Colaride, Agualva, Sintra, Lisbon District, PortugalFrom Rui Nunes, 21st May 2013 14:57:54