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Mineralpedia Details for Saneroite

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Saneroite

Saneroite

Named after Edoardo Sanero, Professor of Mineralogy at the University of Genoa in Genoa, Italy. Found in only two localities worldwide at the Fianel mine in Switzerland and at its type locality at the Gambatesa mine in Italy where in can be found in veins through manganese ores that are associated with prehnite-pumpellyite facies.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/saneroite.pdf

Formula
Na2(Mn2+,Mn3+)10V5+Si11O34(OH)4 
Crystal System
Triclinic 
Crystal Habit
Tabular, Aggregates 
Cleavage
Perfect, Perfect, None 
Luster
Resinous - Greasy 
Color
light orange 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness
6-7 
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Saneroite from Molinello mine, Graveglia Valley, Liguria, Italy

Saneroite
            from Molinello mine, Graveglia Valley, Liguria, Italy

Red-orange platy Saneroite crystals to 2mm with Ganophyllite in a 4mm wide Quartz vein in Braunite matrix.

Fiery red-orange crystal plates well exposed, naturally from a quartz vein. Some of the crystals are free-standing with terminations.

Bright orange-red, thin platy crystals free-standing in vugs.

Click thumbnail images for larger view.

Saneroite from Fianel mine, Ausserferrera, Ferrera, Viamala, Grisons, Switzerland

Saneroite
            from Fianel mine, Ausserferrera, Ferrera, Viamala, Grisons, Switzerland

Fiery orange red crystal grains to 2mm in a mass 2.2 x 1cm.

Click thumbnail images for larger view.

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