MITUBACI BLOG

指輪の素材(貴金属)について

This is Shindo from MITUBACI. This time I would like to study the materials (precious metals) used in MITUBACI. I think you have studied it in junior high school or high school chemistry, but I will try to explain it as simply as I can as a craftsman. I would like to talk about precious metals, but first, what is a metal...