Journal of the American Ceramic Society · 1932 · 25 citations · 0 references
Natural SciencesChemistryMaterials ScienceCeramic MaterialsCeramicsInorganic ChemistryAluminum OxidesCrystal ChemistryCrystalline MaterialsCrystallization ProcessesPartial MeltingX-ray DiffractionAlpha AluminaAlumina CharacterizationAlumina Crystal StructureCrystal Chemistry Of SilicatesDiffraction Pattern AnalysisOptical PropertiesPhase Transformation Of AluminaSilicate Melt Structure
ABSTRACT Crystalline habits of the4 alpha and beta forms of alumina are discussed. A new form designated as zeta‐alumina, which has been found only in melts containing Lic, is described. Its optical properties and X‐ray diffraction pattern are included.