تلفظ بین المللی : /hˈɪsɪŋəɹˌaɪt/ تلفظ : [h'IsIN3r,aIt]
English
A soft black, iron ore, nearly earthy, a hydrous
silicate of iron.
A mineral of a white a slightly bluish color, usually massive. It is anhydrous sulphate of lime, and differs from gypsum in not containing water (whence the name).
