Chromite

 

Chromite is the most important ore of chromium from which it derives its name.

 

Chromite forms in deep ultra-mafic magmas and is one of the first minerals to crystallize. While the magma is slowly cooling inside the Earth's crust, chromite crsytals are forming and because of their density, fall to the bottom and are concentrated there.

 

Although its primary origin is ultra-mafic rocks such as peridotites, chromite is also found in metamorphic rocks such as serpentites. Chromite, as is indicated by its early crystallization is resistant to the altering affects of high temperatures and pressures. Thus it is capable of going through the metamorphic processes unscathed, while other minerals around it are being altered to serpentine, biotite and garnets. This characteristic also explains chromites use as a refractory component in the bricks and linings of blast furnaces.

 

Recently, the biggest user of chromite ore has been China. The concentrate is used to make ferrochromium, which is in turn used to make stainless steel and some other alloys. The most important uses of chromium are in stainless steels, nonferrous alloys, and chromium plating. Chemical-grade chromium is widely used in chemicals and pigments. Chromium also is an important component in refractories.

 

Many of the major stratiform chromite deposits also contain economic levels of platinum, palladium, rhodium, osmium, iridium, and ruthenium, which are referred to as the PGEs.


Richard (Rick) Mills

rick@aheadoftheherd.com

www.aheadoftheherd.com

 

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Richard is host of Aheadoftheherd.com and invests in the junior resource sector. His articles have been published on over 300 websites, including: Wall Street Journal, SafeHaven, Market Oracle, USAToday, National Post, Stockhouse, Lewrockwell, Uranium Miner, Casey Research, 24hgold, Vancouver Sun, SilverBearCafe, Infomine, Huffington Post, Mineweb, 321Gold, Kitco, Gold-Eagle, The Gold/Energy Reports, Calgary Herald, Resource Investor, Mining.com, Forbes, FNArena, Uraniumseek, and Financial Sense.

 

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Legal Notice / Disclaimer

 

This document is not and should not be construed as an offer to sell or the solicitation of an offer to purchase or subscribe for any investment. Richard Mills has based this document on information obtained from sources he believes to be reliable but which has not been independently verified; Richard Mills makes no guarantee, representation or warranty and accepts no responsibility or liability as to its accuracy or completeness. Expressions of opinion are those of Richard Mills only and are subject to change without notice. Richard Mills assumes no warranty, liability or guarantee for the current relevance, correctness or completeness of any information provided within this Report and will not be held liable for the consequence of reliance upon any opinion or statement contained herein or any omission. Furthermore, I, Richard Mills, assume no liability for any direct or indirect loss or damage or, in particular, for lost profit, which you may incur as a result of the use and existence of the information provided within this Report. 

 


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