Como curar la piedra de toque

In this video you will learn how to cure the touchstone, because sometimes, when you acquire a new touchstone, it does not have the proper porosity to mark the gold samples and the metal tends to slip on it. You can also use this procedure to clean the touchstone if you did it this way from the beginning. If you want to know more about the touchstone, you can find all the information in the following article: https://tasacionparatodos.blogspot.co... If you liked the video, leave your like, make a comment and don't forget to subscribe to this Channel so you don't miss the next videos that I will be uploading. Turn on the notifications 🔔🔔😃 I recommend you also watch the video: HOW TO CLEAN THE TOUCHSTONE    • Como limpiar la piedra de toque   😁👍 #piedradetoque #touchstone #pruebasdeoro #goldentest #tasaciones #appraisals #oro #joyeria #calado #appraisers #tutorial #tutorialyoutube #jewellery #oro24k #comolimpiarlapiedradetoque #comocurarlapiedradetoque #caladooro #howtocleanthetouchstone #tutorialesoro #goldappraisaltutorial #goldenappraisal #goldappraisal