Turtmannite Image |
Mineral: | Turtmannite: (Mn,Mg)25.5[(V,As)O4]3(SiO4)3[AsO3]xO5-5x(OH)20+x | |||||
Comments: | Orange-brownish grains of turtmannite in matrix. | |||||
Location: | Pipji Glacier, Turtmanntal (Turtmann Valley), Wallis (Valais), Switzerland. | |||||
Scale: | Picture size 4 mm. | |||||
Copyright: | © Thomas Witzke / Abraxas-Verlag | |||||
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