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Allanite Ca,Ce,Th,Fe,Mg,Al-silicate embedded crystals from Hitterö, Norway. |
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Epidote Ca2(Al,Fe)3[OH|(SiO4)3] pistacite from Prince of Wales Island, Alaska, USA. |
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Gehlenite Ca2[AlSiO7] columnar crystals from Monzoni, Fassatal, Italy. |
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Hemimorphite Zn4[(OH)2|Si2O7] · H2O calamine from Bleiberg, Kärnten, Austria. |
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Piemontite Ca,Mn,Fe,Al-silicate Mn-epidote from St. Marcel, Piemont, Italy. |
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Prehnite Ca2Al2[(OH)2|Si3O10] idiomorphic crystals from the Gabbrobruch Radautal, Bad Harzburg, Germany. |
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Prehnite Ca2Al2[(OH)2|Si3O10] idiomorphic crystals from the Gabbrobruch Radautal, Bad Harzburg, Germany. |
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Vesuvianite Ca10Al4(Mg,Fe)2[(OH)4|Si9O34] idiomorphic crystal from Burgers, Canada. |
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Zoisite Ca2Al3[OH|Si4O3] columnar crystals from Stammbach, Fichtelgebirge, Germany. |
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Zoisite Ca2Al3[OH|Si4O3] thulite (Mn-zoisite) from Trondheim, Norway. |
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