Fuller's earth
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Fuller's earth refers to various types of clay used as an absorbent, filter, or bleaching agent. Products labeled Fuller's Earth typically consist of palygorskite or bentonite. Primary modern uses inc
A sample of fuller's earth in its raw state from Pakistan
Boxes of fuller's earth (about 1915)
Fuller's earth being used to create "muddy" water to simulate a natural habitat for the laboratory hatching of fish eggs
Bentonite
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Bentonite is an absorbent swelling clay consisting mostly of montmorillonite which can either be Na-montmorillonite or Ca-montmorillonite. Na-montmorillonite has a considerably greater swelling capaci
Fuller's earth
…clay used as an absorbent, filter, or bleaching agent. Products labeled Fuller's Earth typically consist of palygorskite (also known as attapulgite) or bentonite. Primary modern uses include as absorbents for oil, grease, and animal waste (cat litter), and as a carrier for pesticides and fertilizers. Minor uses…
Bentonite layers from an ancient deposit of weathered volcanic ash tuff in Wyoming
Gray shale and bentonites (Benton Shale; Colorado Springs, Colorado)
Making a bentonite slurry for fining after wine pressing