Vtg Japan Crystal and Faux Pearl Silvertone Triple Strand Necklace

Delicate vintage sparkly triple strand necklace approx 16" plus 3" extender. Silvertone metal fittings and chain, marked Japan. Multifaceted crystals look like aurora borealis prisms range is sizes from approx 5MM -12MM, faux pears range in sizes from approximately. 6MM-15MM. It was my Aunt Ritas ,I think 1950'2-1960's. I wish I knew more about it.very very pretty on, in excellent vintage condition. non smoking home