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Fedorite, KNa4Ca4(Al,Si)16O36(OH,F)4•6(H2O), Schellkopf, Brenk, Niederzissen, Eifel, Rhineland-Palatinate, Germany. Creamy microcrystaline K-rich fedorite mass. Fov 2 x 1 mm. Copyright: © Roberto Bosi

Fedorite, KNa4Ca4(Al,Si)16O36(OH,F)4•6(H2O), Schellkopf, Brenk, Niederzissen, Eifel, Rhineland-Palatinate, Germany. Creamy microcrystaline K-rich fedorite mass. Fov 2 x 1 mm. Copyright: © Roberto Bosi

Bussyite-(Ce),  (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada. Copyright © 2010 Jason B. Smith

Bussyite-(Ce), (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4, Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada. Copyright © 2010 Jason B. Smith

Pecoraite.   Eastern Napa County, California, USA     3.7 x 3.5 x 1.9 cm  Zones of massive and sub-mm, platy crystals of bright emerald green translucent pecoraite.

Pecoraite. Eastern Napa County, California, USA 3.7 x 3.5 x 1.9 cm Zones of massive and sub-mm, platy crystals of bright emerald green translucent pecoraite.

Oxykinoshitalite, (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2, Fernando de Noronha island, Fernando de Noronha archipelago, Pernambuco, Brazil

Oxykinoshitalite, (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2, Fernando de Noronha island, Fernando de Noronha archipelago, Pernambuco, Brazil

Gillespite ~ Big Creek, Fresno County, California, United States of America Formula: BaFe2+[Si4O10] Strunz: 9.EA.05 Hardness: 4.0

Gillespite ~ Big Creek, Fresno County, California, United States of America Formula: BaFe2+[Si4O10] Strunz: 9.EA.05 Hardness: 4.0

Lennilenapeite, K6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216·16H2O, in calcite, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA. Copyright © Marko Burkhardt

Lennilenapeite, K6-7(Mg,Mn,Fe,Zn)48(Si,Al)72(O,OH)216·16H2O, in calcite, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA. Copyright © Marko Burkhardt

Wickenburgite: Pb3CaAl2Si10O27·4(H2O), Wickenburg, Maricopa County, Arizona, USA. Transparent colorless wickenburgite microcrystals. Copyright: 	© Jeff Weissman

Wickenburgite: Pb3CaAl2Si10O27·4(H2O), Wickenburg, Maricopa County, Arizona, USA. Transparent colorless wickenburgite microcrystals. Copyright: © Jeff Weissman

Truscottite, Fluorapophyllite. Bras de Cilaos, La Réunion Taille=4 mm André Melle 2012

Truscottite, Fluorapophyllite. Bras de Cilaos, La Réunion Taille=4 mm André Melle 2012

Nelenite,  	(Mn,Fe++)16Si12As+++3O36(OH)17, Huanggang Mine, Ulanhad League, Inner Mongolia, China. Tiny brown crystals and aggregates on calcite matrix.

Nelenite, (Mn,Fe++)16Si12As+++3O36(OH)17, Huanggang Mine, Ulanhad League, Inner Mongolia, China. Tiny brown crystals and aggregates on calcite matrix.

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