A Geoscience Digital Image Library

TitleNickelian cobaltite from Jericho Lake, Quebec
DescriptionThey gray mineral is nickel-bearing cobaltite, CoAsS (cobalt arsenic sulfide). It occurs in high temperature hydrothermal ore deposits, in veins and in contact metamorphic deposits. The sample also contains quartz and minor amounts of erythrite (hydrated cobalt arsenate, purplish and hard to pick out). Aothough rare, cobaltite can be an important ore mineral for cobalt. This sample is about 4 cm across.
LocationCanada ▹ Quebec. Jericho Lake.
PhotographerNessa Eull. 2001-07-16.
CollectionUniversity of North Dakota Mineralogy Collection #224.
Key wordscobaltite, Quebec, Canada
Tech details371 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1181