Czech Glass Cabochon in and Octagon Shape in the color Vitrail Medium.
Vitrail Medium encompasses many colors in the rainbow, so have a mostly green stone with hints of blue, pink, gold and orange.
The colors shift a bit as the stone turns.
This is an Octagon "emerald cut" shape, and is 18x13mm in size.
There is a stippling pattern the radiates out from the center of the stone in a wedge pattern that makes the 'sunburst' or 'ray' pattern.
The stippling pattern shows up as a little 'frosted' with a silvery sheen, and the color is lighter in those spots, enhancing the pattern.
The top is table-cut with a beveled edge, and the back is peaked.
They are silver-foil backed to catch the light.
For those of you who are used to the Swarovski Crystal color Vitrail Medium, just know that the glass version is a little lighter, and not quite as rich. I've done my best to accurately represent the color as I see it, but there are differences in devices and monitors, so keep that in mind!