"Pyrites" is a word in ENGLISH
of Pyrite
A name given to a number of metallic minerals, sulphides
of iron, copper, cobalt, nickel, and tin, of a white or yellowish
color.
The values we rightly associate with the modern age - the "liberty, equality, and fraternity" of the French revolution - are all endangered today not by the dead hand of tradition but by modernity itself, and they can be salvaged only by moving beyond it.
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A variety of pseudomorph which has undergone partial or complete change or substitution of material; -- thus limonite is frequently …
Read the complete definitionA variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, …
Read the complete definitionAn earth abounding in pyrites, used by the ancients to kill insects, etc., on vines; -- applied by Brongniart to …
Read the complete definitionA mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and …
Read the complete definitionA sulphide having two atoms of sulphur in the molecule; a disulphide, as in iron pyrites, FeS2; -- less frequently …
Read the complete definitionLumps of pyrites or sulphuret of iron, the color of which is near to that of brass.
Read the complete definitionA thin bed of coal mixed with pyrites or carbonate of lime.
Read the complete definitionCopper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and …
Read the complete definitionGreen vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing …
Read the complete definitionIron pyrites, formerly used for striking fire; also, a flint.
Read the complete definitionDecomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein.
Read the complete definitionA supposed new metallic element. It is said to have been discovered in pyrites, and some other minerals, and to …
Read the complete definitionPowdered copper pyrites used in the amalgamation of ores of silver, as at the Spanish mines of Mexico and South …
Read the complete definitionA sulphide of iron resembling pyrite or common iron pyrites in composition, but differing in form; white iron pyrites.
Read the complete definitionmargába - (Sp. marga, margajita) Pyrites, mispickel; marl.
Read the complete definitionA sulphide of nickel, commonly occurring in delicate capillary crystals, also in incrustations of a bronze yellow; -- sometimes called …
Read the complete definitionArsenical iron pyrites; arsenopyrite.
Read the complete definitionIron pyrites, or arsenical pyrites; -- so called by the Cornish miners.
Read the complete definitionA sulphide containing more sulphur than some other compound of the same elements; as, iron pyrites is a persulphide; -- …
Read the complete definitionOf or pertaining to pyrites. See Pyritic.
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