A watch glass of large chips of calcium carbonate (marble) as used in a UK Secondary/High school.

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Size: 5184px × 3456px
Location: London, UK
Photo credit: © Maurice Savage / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: britain, british, calcium, carbonate, chips, education, glass, high, large, marble, pieces, sample, school, secondary, solid, uk, watch