Breeding C.M., Eaton-Magaña S., Shigley J.E. (2020) Naturally colored yellow and orange gem diamonds: The nitrogen factor. Gems & Gemology, Vol. 56, No. 2, pp. 194-219.
Breeding C.M., Eaton-Magaña S., Shigley J.E. (2020) Naturally colored yellow and orange gem diamonds: The nitrogen factor. Gems & Gemology, Vol. 56, No. 2, pp. 194-219.
