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Comments: Reddish orange crystals of saneroite to 3 mm.
Location: Vrancice near Pribram, Czech Republic.
Scale: Picture size 1 cm.
© John Veevaert
Saneroite: Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4 Scheuchzerite: Na(Mn,Mg)9[VSi9O28(OH)](OH)3
Comments: BSE image of acicular scheuchzerite crystals (Sz) partially intergrown with platy saneroite (Snr) in a vug lined with minute quartz (Qtz) crystals. (AmMin v91:937).
Location: Metamorphosed synsedimentary exhalative Mn deposit of Fianel, Val Ferrera, Central Alps, Switzerland.
Scale: See Image.
© American Mineralogist