Its common occurrence is in placers derived from zoned ultramafic intrusions and from ophiolites. The specific gravity is extremely high at 22.6-22.8.Ĭhemistry, grand physical properties and environment aids in its identification. Possesses a high hardness of between 6 and 7. The mineral has a metallic lustre with a hackly fracture. ![]() It is opaque and silver-white colour with a yellow tinge. Twinning has been observed in polysynthetic groups. Iridium, Ir, can occur as cubic crystals and commonly as rounded or angular grains. The majority of the minerals containing the above elements are described below. Ruthenium uses are on the increase with such uses as in the manufacture of solar cells, in various chip resistors, chemical industry for anodes, catalysts, jewellery, corrosion resistant pipes and in eye tumour treatments. Canada and South Africa are the main producers with an annual production of around 12 tonnes. Again most ruthenium is derived from by-product of nickel refining. Ruthenium is very rare with an average crustal abundance of about 1 part per billion. The metal has few uses but includes the following: various catalysts, staining organic tissues in electron microscopy preparations, some alloys and geological dating. About 100kg are used annually.Ĭanada is the leading producer along with Russia and South Africa. Again most of this element is derived from the by-product of nickel refining. Osmium possesses a crustal abundance of around 1 part per billion. The main uses are in the chemical, electrochemical industries, in crucibles, spark plugs, various alloys, in fountain pen nibs, compass bearings and in certain porcelains etc. Canada is the main producer along with South Africa and Russia. Most of this metal is extracted from the by-product of nickel refining. Iridium is one of least common metals with a crustal abundance of about 3 parts per trillion. Cross Company can adapt standard packaging methods or develop new ones for your special needs.Iridium, Ir, osmium, Os and ruthenium, Ru are among the rarest of the elements and thus they produce few minerals. Strips, Ribbons, Sheets and foils are flat packed to prevent damage during shipping. As an example, wire is furnished on returnable plastic reels, each containing a single length of wire measuring 10 feet minimum. Cross Company product is delivered in packaging specifically designed for the product’s application. Please email us if you have needs outside of these ranges, as we will always try to be of assistance for your specific requests.Įach H. 100″ wide and in sheet or foil form from. Cross Company can provide this material in wire sizes from. ![]() Platinum-Iridium is generally available as wire spooled onto spools or random length piece rod, strip, ribbon, foil or sheet. Other uses of platinum iridium alloys include electrical contacts, spark plugs, electro explosive devices, medical leads and electrodes, thermistors, catalytic applications, jewelry, pen points, surgical pins or pivots and the kilogram and meter standards used by the department of weights and measures. Some uses for platinum iridium alloys include pacemakers, used to treat heart disorders that result in slow or irregular heartbeat, usually contain at least two platinum-iridium electrodes, through which pulses of electricity are transmitted to stabilize the heartbeat. The 80/20 Plat Iridium alloy is very hard and dense, and is sometimes used in the production of fine wirework. ![]() Some manufacturers in Germany and Japan also prefer the 95/5 alloy. Because of these advantages 90/10 Plat Iridium has traditionally been one of the most important jewelry alloys used in the USA, although there has recently been a swing toward alloys of 95/5 Plat Iridium. The alloy 90/10 plat iridium, containing 10 per cent iridium, has very good all round manufacturing characteristics: it can be cast, welded, machined and stamped it is ductile and malleable can be hardened through working and does not readily oxidize.
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