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Iridium is found in meteorites with an abundance much higher than its average abundance in Earth's crust. For this reason, the unusually high abundance of ...

Iridium - Chemicool


Abnormally high amounts of iridium have been found in rocks dating to the K-T ... a widely held view that an iridium-containing comet struck the Earth at that time, ...

It's Elemental - The Element Iridium


Since meteors and asteroids contain a higher percentage of iridium than the earth's crust, this iridium enriched layer is seen as evidence that the earth was ...

Iridium - Chemistry Explained


Iridium may be a key element in the puzzle of dinosaur extinction. ... In some parts of the Earth, they have found a layer of the Earth's crust that contains an ...

iridium (Ir) | chemical element | Britannica.com


Jun 10, 2014 ... Pure iridium probably does not occur in nature; its abundance in the Earth's crust is very low, about 0.001 parts per million. ... Iridium-containing ores are found in South Africa and Alaska, U.S., as well as in Myanmar (Burma), ...

Pictures, stories, and facts about the element Iridium in the Periodic ...


The K-T boundary clay is is found in thin layers all over the world at ... It's as if something dumped a huge quantity of iridium on the earth and spread it around in ...

Iridium - New World Encyclopedia


Apr 22, 2014 ... Iridium is rare in the Earth's crust, but it is found at higher concentrations in some volcanic flows, suggesting that the Earth's core is richer in this ...

Facts About Iridium - LiveScience


Aug 23, 2013 ... Properties, sources and uses of the element iridium.

Iridium - Elements Database


This element is among the rarest found in the earth's crust, and the total production and consumption per year is about 3 tonnes. The only isotopes of iridium, ...

Iridium - Element information, properties and uses | Periodic Table


Element Iridium (Ir), Group 9, Atomic Number 77, d-block, Mass 192.217. Sources , facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Popular Q&A
Q: Where on earth is iridium found?
A: It is thought that the total amount of iridium in the planet Earth is much higher in the interior than in crustal rocks (because of the high density and tendenc... Read More »
Source: answers.yahoo.com
Q: Where is iridium found?
A: Iridium is found in the Earth's crust and in meteorites. Iridium is more abundant in meteorites. Read More »
Source: wiki.answers.com
Q: Where is Iridium found?
A: Iridium is found uncombined in nature as the metal and in combination with osmium and platinum... Read More »
Source: www.chacha.com
Q: Where Is Iridium Found On The Periodic Table?
A: Iridium. is the 77. th. element on the periodic table. It is located in. period. 6 and. group. 9. Periodic Table of the Elements. Read More »
Source: chemistry.about.com
Q: Where on earth can diamonds be found?
A: Here is a list of diamond mines: List of diamond mines. Africa. Angola. Catoca diamond mine. Fucauma diamond mine. Luarica diamond mine. Botswana. Damtshaa diam... Read More »
Source: www.quora.com