[
UK
/paɪɹˈaɪtiːz/
]
NOUN
- any of various metallic-looking sulfides (of which pyrite is the commonest)
How To Use pyrites In A Sentence
- In all appearance it is impregnated with nitre, if not with something more mischievous: we know that mundic, or pyrites, very often contains a proportion of arsenic, mixed with sulphur, vitriol, and mercury. Travels through France and Italy
- The chief source of the arsenic of commerce is arsenical pyrites, or mispickel, which contains about 45 per cent. of arsenic (As). A Text-book of Assaying: For the Use of Those Connected with Mines.
- The bluffs or hills which reach the river at this place, on the south, contain allum, copperas, cobalt which had the appearance of soft isinglass, pyrites, and sandstone, the two first very pure. History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. To the Sources of the Missouri, Thence Across the Rocky Mountains and Down the River Columbia to the Pacific Ocean. Performed During the Years 1804-5-6.
- It never wrinkles like pyrites, never rusts nor tarnishes, even after centuries lyin ' underwater. PAINT THE WIND
- They contained pyrites, carbonated iron-ore, traces of sulphuretted silver (glasserz), and grey copper-ore (fahlerz). Travels to the Equinoctial Regions of America
- Iron is found combined with sulphur in pyrrhotine and pyrites, and together with arsenic in mispickel. A Text-book of Assaying: For the Use of Those Connected with Mines.
- Sulphur in blende, 375 in burnt ore, 377 in chalcocite, 376 in coal, 419 in copper, 207 in copper pyrites, 376 in mispickel, 376 in pyrites, 370, 376 A Text-book of Assaying: For the Use of Those Connected with Mines.
- The lode is a large irregular one of pure arsenical pyrites carrying, in addition to gold and silver, nickel and cobalt. Getting Gold: a practical treatise for prospectors, miners and students
- Cornishmen 'blue elvan:' this diorite, composed of felspar and the hardest hornblende, contains granular iron and pyrites like silver. To The Gold Coast for Gold, Vol. II A Personal Narrative
- In the fossilisation process, the original organic parts of the shark's tooth are replaced by minerals such as iron pyrites and silica.