hematite

(1) An iron mineral crystallizing in therhombohedral system; the most important oreof iron. (2) An iron oxide, Fe,O,, corrcsponding to an iron content of approximately 70%.
Found on http://www.encyclo.co.uk/local/20742

hematite

(1) An iron mineral crystallizing in therhombohedral system; the most important oreof iron. (2) An iron oxide, Fe,O,, corrcsponding to an iron content of approximately 70%
Found on http://www.encyclo.co.uk/local/21115

hematite

[n] - the principal form of iron ore
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Hematite

• (n.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown.Hematite: words in the d...
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hematite

<chemical> An important ore of iron, the sesquioxide, so called because of the red colour of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; the last called red ocher. ... Synonym: specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown. ... Origin: L. Haem...
Found on http://www.encyclo.co.uk/local/20973

Hematite

Hem'a·tite noun [ Latin haematites , Greek ... bloodlike, from a'i^ma , a'i`matos , blood.] (Min.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy for...
Found on http://www.encyclo.co.uk/webster/H/31

hematite

a mineral form of iron(III) oxide (Fe2O3). The color may vary from black to steel or silver-gray, brown to reddish brown, or red.
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Hematite

An iron oxide mineral that is commonly used as an ore of iron. Picture of Hematite.
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Hematite

An oxide of iron, and one of that metal's most common ore minerals.
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Hematite

An oxide of iron, and one of that metal's most common ore minerals.
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Hematite

An oxide of iron, and one of that metal’s most common ore minerals.
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/

Hematite

Fe2O3 Molar mass: 159.6882
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hematite

heavy and relatively hard oxide mineral, ferric oxide (Fe2O3), that constitutes the most important iron ore because of its high iron content (70 ... [6 related articles]
Found on http://www.britannica.com/eb/a-z/h/35

hematite

hematite (hem'utīt) , mineral, an oxide of iron, Fe2O3, containing about 70% metal, occurring in nature in red to reddish-brown earthy masses and in steel-gray to black crystalline forms. Hematite that has a metallic luster is called specular hematite, or specular iron. The red powdered he...
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Hematite

Hematite is a name applied to two ores of iron, red hematite and brown hematite. They are both of a fibrous structure, and the fibres, though sometimes nearly parallel, usually diverge or even radiate from a centre. They rarely occur amorphous, but almost always in concretions, reniform, globular, botryoidal, stalactitic, etc. The red hematite is a...
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Hematite

Iron(III) oxide
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hematite

red hematite A mineral consisting of iron oxide. It comes in two forms: red and gray. Red hematite is essentially rust. Common on Earth, it also occurs everywhere on Mars and is responsible for the planet's distinctive red color. gray hematite Gray hematite has a dark gray metallic lu...
Found on http://www.daviddarling.info/encyclopedia/H/hematite.html
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