Iridium - The MOST RARE Metal on Earth!

Chemical Elements: /usr/novaelementscom?_trksid= NOVAELEMENTS: Mel Science chemical sets: Patreon: Facebook: Interesting page about chemical experiments: Instagram: So today I will tell you about the most rare metal on Earth - iridium. Iridium is a transitional metal, which is located in the middle of the periodic table, below rhodium. If we take a look at the prevalence of all elements in the earth’s crust, Iridium holds the last place, that is a billion atoms of all that there is and only one atom of iridium. This metal is 40 times rarer than gold. In much higher concentrations iridium is found in meteorites and also in the depths of the Earth, in magma. Interestingly enough, in the layers of rock sediments, though more precisely in the formation of clay, that is aged about 66 million years the