Pyrite — Infobox mineral name = Pyrite category = Sulfide mineral boxwidth = boxbgcolor = imagesize = caption = A mass of intergrown, striated pyrite crystals formula = iron disulfide (FeS2) molweight = color = Pale brass yellow, dull gold habit = Cubic,… … Wikipedia
pyrite — pyritic /puy rit ik, peuh /, pyritical, pyritous /peuh ruy teuhs, puy /, adj. /puy ruyt/, n. a very common brass yellow mineral, iron disulfide, FeS2, with a metallic luster, burned to sulfur dioxide in the manufacture of sulfuric acid:… … Universalium
Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine … Wikipedia
sulfur — /sul feuhr/, n. 1. Also, esp. Brit., sulphur. Chem. a nonmetallic element that exists in several forms, the ordinary one being a yellow rhombic crystalline solid, and that burns with a blue flame and a suffocating odor: used esp. in making… … Universalium
sulfur oxide — ▪ chemical compound any of several compounds of sulfur and oxygen, the most important of which are sulfur dioxide (SO2) and sulfur trioxide (SO3), both of which are manufactured in huge quantities in intermediate steps of sulfuric acid… … Universalium
Sulfur trioxide — Chembox new Name = Sulfur trioxide ImageFileL1 = Sulfur trioxide 2D.svg ImageSizeL1 = 120px ImageFileR1 = Sulfur trioxide 3D vdW.png ImageSizeR1 = 120px ImageName = Sulfur trioxide OtherNames = Sulfuric anhydride Sulfan Sulphur trioxide Sulfur… … Wikipedia
pyrite — noun Etymology: Latin pyrites Date: 1756 a common mineral that consists of iron disulfide, has a pale brass yellow color and metallic luster, and is burned in making sulfur dioxide and sulfuric acid … New Collegiate Dictionary
sulfur pyrites — noun the mineral pyrite … Wiktionary
Coal sulfur — Coal sulfur occurs in three forms: organic, sulfate, and pyritic. Organic sulfur is an integral part of the coal matrix and cannot be removed by conventional physical separation. Sulfate sulfur is usually negligible. Pyritic sulfur occurs as… … Energy terms
Italy — <p></p> <p></p> Introduction ::Italy <p></p> Background: <p></p> Italy became a nation state in 1861 when the regional states of the peninsula, along with Sardinia and Sicily, were united under King … The World Factbook
Kuril Islands — Location of Kuril Islands in the Western Pacific. Matua Isl … Wikipedia