E. Billie Hughes
E. Billie Hughes
The red color of the oil within the cavity of a ruby displays a remarkable contrast with the bodycolor of the gem. Unlike the flattened bubbles regularly encountered, a rounded bubble attests to the size of the cavity containing the oil. Photo micrograph by E. Billie Hughes; field of view approximately 2.5 mm.
https://www.gia.edu/library
E. Billie Hughes
E. Billie Hughes
The red color of the oil within the cavity of a ruby displays a remarkable contrast with the bodycolor of the gem. Unlike the flattened bubbles regularly encountered, a rounded bubble attests to the size of the cavity containing the oil. Photo micrograph by E. Billie Hughes; field of view approximately 2.5 mm.
https://www.gia.edu/library
