Image: Trona(small)
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Trona(small).jpg (600 × 451 pixels, file size: 51 KB, MIME type: image/jpeg)
Description: Image on trona, a naturally occurring mineral that is primarily hydrated sodium bicarbonate carbonate (Na3HCO3CO3·2H2O). Image from: http://resourcescommittee.house.gov/subcommittees/emr/usgsweb/materials/sodaash.html
Photographer unknown.
Usage Terms: Public domain
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