An Iron Pyrites Of Market Crashes. Apr. 05, 2016 12:01 PM ET USO, OIL-OLD, DB, ...

IN NATURE, vol. xi. p. 249, Mr. Carr mentions the fact that some iron pyrites in the Maidstone Museum “have crumbled into a coarse, finely divided mass;” and he inquires whether “such a ...

The team studied grains of pyrite and how they turn into rust-type iron oxides using specialized microscopes in Penn State's Material Characterization Laboratory.

As part of a project headed by the European Space Agency investigating materials for long-term missions, scientists in Estonia are investigating a tiny iron-based crystal as a potential solar cell ...

This study reveals epitaxial growth of gold-rich pyrite rims on pre-existing cores in Carlin-type deposits, driven by ...

This article was originally published with the title “ Iron Pyrites: Its Formation and Decomposition ” in SA Supplements Vol. 14 No. 341supp (July 1882), p. 5442 doi:10.1038 ...

This article was originally published with the title “ The Utilization of Iron Pyrites ” in Scientific American Magazine Vol. 30 No. 4 (January 1874), p. 48 doi:10.1038 ...

India scrapped an export tax levied on low grade iron ore lumps and fines with below 58% iron content, in a notification late on Friday, reversing an earlier order from May when it had raised the ...

THE “curious phenomenon” described by Mr. Frederic Case (NATURE, vol. xi. p. 249) is by no means an uncommon one. It is due to oxidation, and the conversion of a portion of the pyrites into ...

The government also reversed a May rise in export tax on iron ore concentrates other than roasted iron pyrites. That tax now returns to 30% from 50%.