Sunday, January 7, 2018

Ferri-molybdite

Ferri-molybdite
I found the spelling: Ferrimolybdite on Wikipedia.  The mineral is an hydrous iron Molybdate.  This sample is from Salt County, Utah.  It is a product of the oxidation of  molybdenum, a word I came across related to aircraft.  It was the solution for the compressor blades in the German jet fighter, ME 262.  It lasted much longer and required fewer engine rebuilds than the metal used originally.  It has the sixth highest melting point of any element on Earth.

Ferri-molybdite
The first image displays 3.57mm at 6.58X.  This one displays 9.5mm at 2.43X.

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