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Iquiqueite: K3Na4Mg(Cr++++++O4)B24O39(OH)·12(H2O) Nitratine: NaNO3
Comments: Yellow iquiqueiite in clear, massive nitration. Location: Salar de Miraje, Antofagasta, Chile. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag