Coastal & Marine Geology InfoBank

USGS CMG InfoBank: Chemical Reaction


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Comment: 11:29 - 11:54 (00:25)

Source: Annenberg/CPB Resources - Earth Revealed - 12. Minerals: The Materials of Earth

Keywords: "James Sadd", calcite, quartz, "chemical reaction", "hydrochloric acid", "carbonate", silicate, "carbon dioxide", carbon, "physical property", "mineral identification", mineral

Our transcription: Another physical property of calcite is that it dissolves in dilute acid.

Calcite is a carbonate mineral, and the acid releases the carbon as carbon dioxide gas.

Quartz is a silicate mineral. It doesn't dissolve in acid, and so there's no obvious chemical reaction.

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Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior \| U.S. Geological Survey URL: http://walrus.wr.usgs.gov/infobank/programs/html/school/moviepage/11.01.16.html Page Contact: InfoBank staff Page Last Modified: Wed Aug 27 06:14:58 PDT 2008 (wcs)