This compound occurs in nature as siderite, and is a valuable ore.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

Any automaton was sure to register her as a siderite, and ignore her.    From Wordnik.com.  [Agent Of The Terran Empire]

The article also includes the first ever figure of the specimen, showing it in its unprepared, siderite-encased case (a scan of that figure is included here).    From Wordnik.com.  [‘Angloposeidon’, the unreported story, part IV] Reference

English ores also contain considerable iron carbonate or siderite.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

Too much CO2, and magnetite can't form, whereas the opposite is true for siderite.    From Wordnik.com.  [Latest Articles] Reference

This siderite is specially interesting on account of its distinctly metallic character.    From Wordnik.com.  [The Story of the Heavens] Reference

This beautiful, reddish-brown, 4-cm spray on zincian siderite crystals is among the finest.    From Wordnik.com.  [Museum Blogs] Reference

They focused on two minerals, magnetite and siderite, that can provide a bellwether of the CO.    From Wordnik.com.  [Latest Articles] Reference

IMAGE: Caption: Pictured is a micrograph of siderite crystals with the red showing hematite inside.    From Wordnik.com.  [SpaceRef Top Stories] Reference

H884012 Manganiferous limonitic siderite with 27.6 182 1.37 0.13 botryoidal malachite surface coatings.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

The main consumers of concentrate, siderite and sinter-ores of LLC at domestic market in 2004-2006, kt.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

H884012 Manganiferous limonitic 27.6 182 1.37 0.13 siderite with botryoidal malachite surface coatings.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

Quartzite (instead of limestone) is an unusual locus of replacement ores, and siderite is an unusual gangue.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

The Bilbao ores consist mainly of siderite, which near the surface has altered to large bodies of oxide minerals.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

This is one of the ordinary stony meteorites, and is thus contrasted with the Rowton siderite which we have just been considering.    From Wordnik.com.  [The Story of the Heavens] Reference

Among these are barite or heavy spar (BaSO4), used as a pigment, which is found in the strata of the Kirtland shale; siderite or brown spar.    From Wordnik.com.  [Tseh So, a Small House Ruin, Chaco Canyon, New Mexico :] Reference

Sometimes, as in the Rowton siderite, the whole object consists of little else; sometimes this alloy is in grains distributed through the mass.    From Wordnik.com.  [The Story of the Heavens] Reference

The first mineralized zone extends from 158 to 172 feet and appears to show calcite replacement of siderite known to accompany gold mineralization.    From Wordnik.com.  [Ironwood Gold Updates Drill Test Efforts at Cobalt Canyon, Nevada - Yahoo! Finance] Reference

Some of these objects are composed of very characteristic materials; take, for example, one of the more recent arrivals, known as the Rowton siderite.    From Wordnik.com.  [The Story of the Heavens] Reference

Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.    From Wordnik.com.  [The Earth Times Online Newspaper] Reference

Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

We have said that a noise accompanied the descent of the Rowton siderite, and it is on record that a loud explosion took place when the meteorite fell at Ensisheim.    From Wordnik.com.  [The Story of the Heavens] Reference

The Coeur d'Alene deposits are almost unique in that they contain galena as vein-fillings and replacements in quartzite, with a gangue of siderite (iron carbonate).    From Wordnik.com.  [The Economic Aspect of Geology] Reference

The mineralogical character of the iron ores found in the State includes magnetite, red hematite, brown hematite (limonite), siderite (spathic ore), and black band ores.    From Wordnik.com.  [North Carolina and its Resources.] Reference

Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.    From Wordnik.com.  [StreetInsider.com News Articles] Reference

Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite - tennantite in quart-siderite gangue.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

In the quartzites of the lead-silver mines of the Coeur d'Alene district of Idaho (p. 212), siderite or iron carbonate is a characteristic gangue material replacing the wall rock.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

2. 6-2.8 siderite.    From Wordnik.com.  [Chapter 6] Reference

PagedDataSource) 'Adapted from http://siderite. blogspot.com/2007/08/changing-gridview-pagecount. html If Me.    From Wordnik.com.  [ASP.NET Forums] Reference

ResolveClientUrl ( "~/slideshow/js/slideImg. js")); http://siderite. blogspot.com/2009/01/including-external-javascript-on-async. html.    From Wordnik.com.  [ASP.NET Forums] Reference

Sediments thus formed include limestone and dolomite, siderite, salt, gypsum, potash, sulphur, phosphates, nitrates, and other minerals.    From Wordnik.com.  [The Economic Aspect of Geology] Reference