Gibbsite
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Gibbsite, Al3, is one of the mineral forms of aluminium hydroxide. It is often designated as γ-Al3. It is also sometimes called hydrargillite.
Gibbsite
Kaolinite
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Kaolinite is a clay mineral, with the chemical composition Al2Si2O54. It is a layered silicate mineral, with one "tetrahedral" sheet of silicate tetrahedra linked to one "octahedral" sheet of aluminat
Gibbsite
…structure of other minerals. The neutral aluminium hydroxide sheets are found sandwiched between silicate sheets in important clay groups: the illite, kaolinite, and montmorillonite/smectite groups. The individual aluminium hydroxide layers are identical to the individual layers of gibbsite and are referred to…
Kaolinite from Twiggs County in Georgia in USA
Kaolinite structure, showing the interlayer hydrogen bonds
Kaolin mine in Czech Republic
A kaolin processing plant