A Geoscience Digital Image Library

DescriptionNatrochalite is an emerald green copper mineral. It is a secondary mineral, often forming in veins or as crusts and has formula NaCu2(SO4)2(OH,H2O)2. This sample, from the largest open pit mine in the world at Chuquicamata, Chile, is 8 cm across.
LocationChile ▹ Antifogasta. Near Chuquicamata.
PhotographerNessa Eull. 2001-06-06.
CollectionUniversity of North Dakota Mineralogy Collection #819.
Key wordsnatrochalcite, Chile
Tech details804 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number635