Chalcopyrite Thin Section

The thin sections of all the samples were prepared by vancouver geotech labs of unit 155 11951 mitchell road richmond bc canada. 1 15 often tarnished with greenish black streak and submetallic luster. Polished ore minerals exhibit a range of colours and textures in reflected light they are also commonly studied using scanning electron microscopes and electron microprobe.

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This small demonstration collection contains metalliferous ore minerals mounted in polished resin blocks rather than thin sections used for rocks in our other collections.

Chalcopyrite thin section. White moncheite with chalcopyrite orange blue and violet tarnishing colors in silicate matrix polished section from microprobe analysis in reflected light. The color is typically brass to golden yellow fig. Picture size 0 11 mm.

The hardness varies between 3 5 and 4 0 on the mohs scale. Chalcopyrite is the most important and major source of copper metal. The thin sections were described by phd and professional geoscientist john payne of surrey bc canada.

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