Show I 1 sur sum test of diamond tie he fint fact that re real ed diamond am ph phosphorescent utter after bolas treated in ill the following mg manner amons 1 is saw to inalie I 1 the h a f following test a sure one F first of all expose tile stone saba for far IT a few aln utes nice to the light of an electric IS lamp P hijii h it rub briskly on wood ad or met metal nov hea now take it into a lurk ehk place when the diamond will mill giov brI brightly itly lails does not occur in the use case of ft false gem i |