Engineer using blade to test for purity of Bentonite.

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Engineer using blade to test for purity of oxidized Bentonite, also known as Pascalite in the industry, Wyoming, USA, North America (MR-298) 'Hydrous silicate of alumina'

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Size: 5269px × 3477px
Location: Wyoming, USA, North America
Photo credit: © inga spence / Alamy / Afripics
License: Licensed
Model Released: Yes

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