Around the same time, they noticed a puzzling pattern. Most diamonds – called Type I – contain a significant amount of nitrogen, which affects their crystal structure and can add a hint of pale yellow or brown. Occasionally, though, a diamond has almost no detectable traces of this element. These are the Type II diamonds, and the phenomenon is extremely rare – except in the very largest diamonds.
อ่านต่อได้ที่ โรงเรียนบ้านลำพระ
สาระน่ารู้ ประสาท
Be the first person to like this.