tə mˌeɪk ðɪ ˈoʊpəlˌaɪn ɡlˈæs, ɑːpˈæsᵻfˌaɪɪŋ sˈʌbstənsᵻz ɑːɹ ˈædᵻd, sˈʌtʃ ɐz: sˈoʊdiəm fˈɑːsfeɪt, sˈoʊdiəm klˈoːɹaɪd, kˈælsiəm fˈɑːsfeɪt, kˈælsiəm klˈoːɹaɪd, tˈɪn ˈɑːksaɪd ænd tˈælk.
To make the opaline glass, opacifying substances are added, such as: sodium phosphate, sodium chloride, calcium phosphate, calcium chloride, tin oxide and talc.