| Rutile crystals, commonly associated with lazulite, pyrophyllite, and kyanite, are found at Horrsjoberg, Sweden. |
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| The wall rock was highly altered and consisted of a groundmass of pyrophyllite and fine-grained pyrite. |
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| Single brilliant, striated, cubic crystals to 2.5 cm on edge were found in soft greasy masses of pyrophyllite that was easily removed from the specimens. |
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| Associated minerals include pyrophyllite, lazulite, quartz, various brightly colored iron oxides, barite, and a suite of microcrystalline phosphates. |
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| In many cases, quartz overgrowths were preferentially corroded and dissolved in the presence of pyrophyllite, most likely during acidic metasomatism. |
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| Sugiyama K, Filio JM, Saito F, Waseda Y Structural change of kaolinite and pyrophyllite induced by dry grinding. |
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| Our samples are not from the areas of pyrophyllite occurrences described by Kontak et al. |
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| Groups in this class include micas, kaolins, vermiculites, chlorites, talc, pyrophyllite, and smectites. |
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| Pyrophyllite, a hydrous aluminum silicate, is the basis for the new product, called Airblock. |
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| Both clay bodies contain Greenstripe Fireclay, VelvaCast or Tile 6 Kaolin, FC 340 Ball Clay or New Foundry Hill Cream Ball Clay, Silica, Custer Feldspar and Pyrophyllite. |
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