Melanophlogite | #Geology #GeologyPage Chemical Formula: 46SiO2·6(N2,CO2)·2(CH4,N2) Locality: In Italy, at Solfatara Giona, Racalmuto, and at Caltanissetta, Sicily. Name Origin: From the Greek for black and to be burned in allusion to the fact that some specimens blacken on heating. Low temperature form. Melanophlogite (MEP) is a rare silicate mineral and a polymorph of silica (SiO2). It has a zeolite-like porous structure which results in relatively low and not well-defined values of its density and refractive index. Read more : geologypage/2014/06/melanophlogite.html Geology Page geologypage
Posted on: Sat, 01 Nov 2014 14:00:01 +0000
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