PROBLEM TO BE SOLVED: To provide a calcium-based inorganic material excellent in usability as a cosmetic and excellent in luminescent properties as a phosphor, and having a stabilized pH even in a state of contact with moisture. A coating amount of a fatty acid and / or a fatty acid salt is 0.1 to 10 parts by weight with respect to 100 parts by weight of a calcium compound, and a pH value according to a pigment test method according to JIS K5101-17-1 (2004) is A calcium-based inorganic material characterized by being 8 to 10. [Selection diagram] None【課題】化粧料としての使用感や蛍光体としての発光特性に優れ、かつ、水分と接触した状態でもｐＨが安定化されたカルシウム系無機材料を提供する。【解決手段】カルシウム化合物１００重量部に対する脂肪酸及び／又は脂肪酸塩の被覆量が０．１～１０重量部であり、かつ、ＪＩＳ Ｋ５１０１－１７－１（２００４年）の顔料試験方法によるｐＨ値が８～１０であることを特徴とするカルシウム系無機材料。【選択図】なし
