neodymium cost per gram
Neodymium is about $1 for a gram. It is not very expensive. It is used for coloring glass. It is a silvery color.ubies are not measured in grams, rather carats. The average commercial grade ruby will cost $300 per carat. This, however, can go up dramatically depending on the stones colo â¦ r, clarity and overall cut. Also, important considerations are if it was been heat treated or enhanced.