Fayalite

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Related to Iron silicate: sodium silicate, Magnesium Silicate

fayalite

[fə′yä‚līt]
(mineralogy)
Fe2SiO4 A brown to black mineral of the olivine group, consisting of iron silicate and found either massive or in crystals; specific gravity is 4.1.

Fayalite

 

a mineral of the olivine group; the final member of the forsterite-fayalite solid-solution series. Fayalite has the chemical composition Fe2[SiO4], and it contains up to 10 percent of the forsterite component. It is found with acidic and alkalic rocks, metamorphosed iron-rich sediments, pegmatites, and other rocks. Fayalite is also detected in industrial slags.

References in periodicals archive ?
Iron Silicate rather than iron oxide gives a mosre reliable blue outcome.
Once formed, FeO can react with silica to form iron silicate or fayalite.
The newly christened bridgmanite, named for high-pressure physicist Percy Bridgman, is a high-density form of magnesium iron silicate and makes up about 38 percent of Earth's volume.
2] combine to form a fluid slag that easily penetrates the molding media, resulting in an iron oxide iron silicate phase on the casting surface.
This iron silicate slag, sometimes containing small amounts of MnO, was found to be intrinsic to white iron at temperatures below 2530-2600F.