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Cassagnaite Gallery

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Cassagnaite : (Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2[(O,OH)4|(OH)4|(SiO4)2|Si3O10]

Cassagna Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Cassagnaite, bright yellow V-shaped crystal group on drusy quartz. Specimen collected circa 1996. Field of view 1.3 mm. Collection and photo R. Bracco.
 © R. BraccoPhoto ID: 132848    View Count: 232

Cassagnaite : (Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2[(O,OH)4|(OH)4|(SiO4)2|Si3O10], Piemontite : {Ca2}{Al2Mn3+}[O|OH|SiO4|Si2O7], Quartz : SiO2

Cassagna Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Scattered 0,1 mm yellow crystals of Cassagnaite (IMA 2006-019a) from the type locality with red piemontite and small crystals of quartz. Field of view: 1,5 mm. Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 132643    View Count: 251

Cassagnaite : (Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2[(O,OH)4|(OH)4|(SiO4)2|Si3O10]

Cassagna Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy

Prismatic, yellow cassagnaite crystals on drusy quartz with piemontite(-Sr?). Specimen collected circa 1996. Field of view 1.6 mm. Collection and photo R. Bracco.
 © R. BraccoPhoto ID: 132847    View Count: 158

Cassagnaite : (Ca,Mn2+)4(Fe3+,Mn3+,Al)4(V3+,Mg,Al)2[(O,OH)4|(OH)4|(SiO4)2|Si3O10]

Cassagna Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy

dimension crystal mm 0,2
 © luigi chiappinoPhoto ID: 192874    View Count: 47
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