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Andalusite Al2[O|SiO4] chiastolite from Lancaster, Massachusetts, USA. |
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Disthene Al2[O|SiO4] cyanite from Connecticut, USA. |
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Disthene Al2[O|SiO4] cyanite from the Ural Mountains, Russia. |
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Gadolinite Y2FeBe2[O|SiO4]2 embedded crystals from Hitterö, Norway. |
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Knebelite (Mn,Fe)2[SiO4] Mn-olivine from Dannemora, Sweden. |
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Kornerupine Mg4Al6[(O,OH)2|BO4|(SiO4)4] embedded crystals from Waldheim, Saxony, Germany. |
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Olivine (Mg,Fe)2[SiO4] olivine nodule from Jackson Co., North Carolina, USA. |
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Phenacite Be2[SiO4] idiomorphic crystals from Kragerö, Norway. |
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Sillimanite Al[AlSiO5] fibrous crystals from Williamstown, Australia. |
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Staurolite 2 Al2SiO5 · Fe(OH)2 twinned crystals from the Bretagne, France. |
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Thaumasite Ca3H2[CO3|SO4|SiO4] · 13 H2O fibrous crystals from West Paterson, New Jersey, USA. |
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Titanite CaTi[O|SiO4] fine-grained sphene and chlorite from Culm di Vi, Tavetsch, Switzerland. |
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Titanite CaTi[O|SiO4] sphene from Tavetsch, Switzerland. |
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Topaz Al2[F2|SiO4] idiomorphic crystals from Spitzkopje, South-West Africa. |
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Zircon ZrSiO4 idiomorphic crystals from Stretenko, Ukraine. |
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Zircon ZrSiO4 crystals from Frederiksvärn, Norway. |
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Almandine Fe3Al2[SiO4]3 idiomorphic crystals from the Ötztal, Tirol, Austria. |
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Andradite Ca3Fe2[SiO4]3 single crystals from the Wilni river, Sibiria, Russia. |
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Grossularite Ca3Al2[SiO4]3 single crystals from the Wilni river, Sibiria, Russia. |
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Hessonite Ca3(Al,Fe)2[SiO4]3 idiomorphic crystals from Meighels, Tavetsch, Switzerland. |
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Pyrope Mg3Al2[SiO4]3 rounded crystals from Podsedlitz, Bohemia, Czechoslovakia. |
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Uwarowite Ca3Cr2[SiO4]3 fine-grained crystals from Kyschtymsk, Ural Mountains, Russia. |
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