きんこうせき
金紅石
1. rutile
2. RutileRutile is a mineral composed primarily of titanium dioxide, TiO2. Rutile is the most common natural form of TiO2. Two rarer polymorphs of TiO2 are known: anatase (sometimes known by the obsolete name 'octahedrite'), a tetragonal mineral of pseudo-octahedral habit brookite, an orthorhombic mineral Rutile has among the highest refractive indices of any known mineral and also exhibits high dispersion. Natural rutile may contain up to 10% iron and significant amounts of niobium and tantalum.
Read “Rutile” on English Wikipedia
Read “金紅石” on Japanese Wikipedia
Read “Rutile” on DBpedia
Read “Rutile” on English Wikipedia
Read “金紅石” on Japanese Wikipedia
Read “Rutile” on DBpedia
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