てつじゅうせき
鉄重石
1. ferberite
2. FerberiteFerberite is the iron endmember of the manganese - iron wolframite solid solution series. The manganese endmember is hübnerite. Ferberite is a black monoclinic mineral composed of iron(II) tungstate, FeWO4. Ferberite occurs as granular masses and as slender prismatic crystals. It has a Mohs hardness of 4.5 and a specific gravity of 7.4 to 7.5. Ferberite typically occurs in pegmatites, granitic greisens, and high temperature hydrothermal deposits. It is a minor ore of tungsten.
Read “Ferberite” on English Wikipedia
Read “鉄重石” on Japanese Wikipedia
Read “Ferberite” on DBpedia
Read “Ferberite” on English Wikipedia
Read “鉄重石” on Japanese Wikipedia
Read “Ferberite” on DBpedia
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