Cut Purple Sapphire, Color Change Gemstones artifacts of science I cut this one myself

I cut this one myself in my 'Red Stone of Aja' design

such as as an acousto-optical modulator

Yes I know the title isn't the same as the Alan Dean Foster novel

The crystals have a yellow base with a strong green fluorescence

It has greater luster

Cut Purple Sapphire, Color Change Gemstones artifacts of science I cut this one myselfThese are faceted stones cut from labmade purple color change sapphire. Many of these stones have some nice color changes depending on lighting, and will show flashes of multiple colors under mixed lighting. Some have more or less of a color change, the photos show them under different lighting conditions in order to try to capture the colors. Color change sapphire is an all time classic. The color change aspect comes from vanadium, which is often