Show I Diamond Diamonds Will Yield To Radium New York All All you need to turn turna a yellow diamond Into what appears appears ap ap- pears to be a blue diamond Is somo some worth ot of according accord accord- In ing to Dr C. C Everett Field director of the Radium institute of ot Now New York who made public Wednesday the results results re reo of ot several years years' experiments Whether r or not the blue stones would stay blue or shift back to the cheap color olor later Dr l Field did dill not pretend to know No one knows yet he said because our experiments have havo not lasted long enough |