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Schüllerite, Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F) 4, Löhley, Üdersdorf, Eifel Mountains, Germany. Size 2.5 x 2.5 x 4.5 cm. Photo eRocks

Schüllerite, Ba2Na(Mn,Ca)(Fe3+,Mg,Fe2+)2Ti2(Si2O7)2(O,F) 4, Löhley, Üdersdorf, Eifel Mountains, Germany. Size 2.5 x 2.5 x 4.5 cm. Photo eRocks

Wöhlerite, NaCa2(Zr,Nb)(Si2O7)(O,OH,F) 2,  Mendig, Laacher See Vulkangebiet, Eifel, Rheinland-Pfalz, Deutschland. Fov 1.11 mm. Copyright: 	Matteo Chinellato

Wöhlerite, NaCa2(Zr,Nb)(Si2O7)(O,OH,F) 2, Mendig, Laacher See Vulkangebiet, Eifel, Rheinland-Pfalz, Deutschland. Fov 1.11 mm. Copyright: Matteo Chinellato

groupe Roméite, (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F), Piemontite, {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH). Prabornaz Mine, Saint-Marcel, Aosta Valley, Italy FOV=1.94 mm Collection et photo Giuseppe Finello

groupe Roméite, (Ca,Fe,Mn,Na)2(Sb,Ti)2O6(O,OH,F), Piemontite, {Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH). Prabornaz Mine, Saint-Marcel, Aosta Valley, Italy FOV=1.94 mm Collection et photo Giuseppe Finello

Topaz, Xanda mine, southeast region, Brazil

Topaz, Xanda mine, southeast region, Brazil

Melanotekite sur Willemite. Su Elzu, Ozieri, Sassari Province, Sardinia, Italie Photo © Antonio Gamboni

Melanotekite sur Willemite. Su Elzu, Ozieri, Sassari Province, Sardinia, Italie Photo © Antonio Gamboni

Vesuvianite (gemstone from Asbestos, QC), the most beautiful semi-precious stone I've ever seen.

Vesuvianite (gemstone from Asbestos, QC), the most beautiful semi-precious stone I've ever seen.

Tiragalloite ~ Vedretta Inferiore di Scerscen, Val Malenco, Lombardy, Italy

Tiragalloite ~ Vedretta Inferiore di Scerscen, Val Malenco, Lombardy, Italy

CALCITE__

Matt Wisniewski

CALCITE__

Emmerichite, Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2, Günterblassite, (K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4]·7H2O· Rother Kopf, Roth, Gerolstein, Eifel, Rhineland-Palatinate, Germany. Copyright © Volker Betz (2013). IMA 2013-064 (SORO) and IMA 2011-032

Emmerichite, Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2, Günterblassite, (K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4]·7H2O· Rother Kopf, Roth, Gerolstein, Eifel, Rhineland-Palatinate, Germany. Copyright © Volker Betz (2013). IMA 2013-064 (SORO) and IMA 2011-032

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