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ferripyrophyllite
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ferripyrophyllite

mineral
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Quick Summary

Ferripyrophyllite is a mineral that is the ferric iron analogue of pyrophyllite. Pyrophyllite is a 2:1 clay mineral, meaning it has a structure with an octahedral sheet sandwiched between two tetrahedral sheets. Ferripyrophyllite, like pyrophyllite, has a neutral charge and is held together by van der Waals bonding. The chemical formula for ideal pyrophyllite is Al2Si4O10(OH)2.1

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3 Britannica Sources
  1. ferrierite
  2. pyrrhotite
  3. clay mineral - Pyrophyllite - talc group

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