Janson G, Muehlenbachs K, Stachel T, Eichenberg D. Carbon isotope variations across diamonds with clear and opaque growth zones measured by secondary ion mass spectrometry. IKC abstracts [Internet]. 2008 Oct. 15 [cited 2024 May 2];9. Available from: https://ikcabstracts.com/index.php/ikc/article/view/3524