Term
|
Definition
using heat to stabilize irradiated color in gemstones |
|
|
Term
|
Definition
structural defect that influences an object's absorption of light and can cause its color |
|
|
Term
|
Definition
diamonds that exhibit yellow or brown color beyond the Z range, or that exhibit any other color |
|
|
Term
|
Definition
emission of visible light by a material when it's exposed to ultraviolet radiation |
|
|
Term
|
Definition
range of diamond colors from colorless to light yellow and light brown, also called the D-to-Z range |
|
|
Term
|
Definition
process by which a material absorbs some wavelengths of light and transmits others |
|
|