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Antigorite Mg6[(OH)8|Si4O10] flaky serpentine from the Antigorio valley, Piemont, Italy. |
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Apophyllite KCa4[F|(Si4O10)2] idiomorphic crystals from St. Andreasberg, Hartz Mountains, Germany. |
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Apophyllite KCa4[F|(Si4O10)2] idiomorphic crystals from West Paterson, New Jersey, USA. |
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Biotite K(Mg,Fe)3[(OH)2|Si3AlO10] black mica from the Gabbrobruch Radautal, Bad Harzburg, Germany. |
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Biotite K(Mg,Fe)3[(OH)2|Si3AlO10] black mica from Willimantic, Connecticut, USA. |
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Chlorite (Mg,Fe)5Al[(OH)8|Si3AlO10] pennine from Zermatt, Switzerland. |
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Chlorite (Mg,Fe)5Al[(OH)8|Si3AlO10] delessite from Fischbach, Nahe, Germany. |
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Chrysotile Mg6[(OH)8|Si4O10] fibrous serpentine from Zöblitz, Saxony, Germany. |
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Kaolinite Al4[(OH)8|Si4O10] pseudomorphs of kaolinite after feldspar from Melbur Pit, Cornwall, Great Britain. |
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Kaolinite Al4[(OH)8|Si4O10] nacrite from Kolno, Nowa Ruda (former: Kohlendorf, Neurode), Silesia, Poland. |
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Lepidolite K(Li,Al)3[(F,OH)2|Si3AlO10] lithia mica from the Black Hills, South Dakota, USA. |
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Muscovite KAl2[(OH)2|Si3AlO10] zoned crystal from Snake Canyon, Utah, USA. |
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Muscovite KAl2[(OH)2|Si3AlO10] tabular crystals from Royal Gorge Area, Fremont, Colorado, USA. |
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Phlogopite KMg3[(F,OH)2|Si3AlO10] tabular crystals of hexagonal habit from Perth, Ontario, Canada. |
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Phlogopite KMg3[(F,OH)2|Si3AlO10] tabular crystals of hexagonal habit from Perth, Ontario, Canada. |
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Pyrophyllite Al2[(OH)2|Si4O10] fibrous aggregates from Indian Gulch, California, USA. |
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Sepiolite Mg4[(OH)2|Si6O15] · 2 H2O meerschaum from Eskischehir, Anatolia, Turkey. |
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Smectite Mg6[(OH)4|Al0.66Si7.34O20] Na0.66 · n H2O saponite (pimelithe) with chrysoprase from Zabkowice Slaskie (former: Frankenstein), Silesia, Poland. |
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Smectite Fe4[(OH)4|Al0.66Si7.34O20] Na0.66 · n H2O nontronite from the Roter Bär Mine, St. Andreasberg, Hartz Mountains, Germany. |
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Talc Mg3[(OH)2|Si4O10] steatite from Göpfersgrün, Fichtelgebirge, Germany. |
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Talc Mg3[(OH)2|Si4O10] steatite from Cornwall, Great Britain. |
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Zinnwaldite K(Fe,Li)3[(F,OH)2|Si3AlO10] lamellar-stallate crystals from Zinnwald, Erzgebirge, Germany. |
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