attapulgite

mineral

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Last updated

June 18, 2026

Quick Summary

Attapulgite is a fibrous clay mineral. It is a variety of palygorskite, a magnesium aluminum silicate. The chemical formula for attapulgite is typically (OH₂)₄Mg₅Si₈O₂₀(OH)₂·4H₂O.12

This mineral is found in sediments from playa lakes and saline deposits, as well as in desert soils and calcareous material. The name "attapulgite" comes from its discovery in Attapulgus, Georgia.2

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palygorskite
Attapulgite is a variety of palygorskite found in Attapulgus, Ga. For chemical formula and physical properties of attapulgite, see clay minerals (table).
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Attapulgite is a variety of palygorskite found in Attapulgus, Ga. For chemical formula and physical properties of attapulgite, see clay minerals (table).
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fuller’s earth
…other minerals such as kaolinite, attapulgite, and palygorskite also occur and account for its variable chemical composition. Though similar in appearance to clay, fuller’s earth differs by being more fine-grained and by having a higher water content. It also crumbles into mud when mixed with water, so it has little…
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…other minerals such as kaolinite, attapulgite, and palygorskite also occur and account for its variable chemical composition. Though similar in appearance to clay, fuller’s earth differs by being more fine-grained and by having a higher water content. It also crumbles into mud when mixed with water, so it has little…
Read More