/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: peterwilson-cleveland https://cdn.slidesharecdn.com/profile-photo-peterwilson-cleveland-48x48.jpg?cb=1582017452 Peter Wilson is a certified Gemologist at Howard's Jewelry Center in Cleveland and lives in Rocky River . His main task is to carefully examine gems and stones and make their value and authenticity. dev.to/peterwilson