Cut Purple Sapphire, Color Change Gemstones artifacts of science specifically Bi12GeO20 aka sillenite)

specifically Bi12GeO20 aka sillenite)

The NEW CutKit™ Precision Handpiece 2 is a drop-in replacement that's a major upgrade on the original

Our old large format transfer jigs only handle 6mm dops and stones up to 32mm in diameter and are now discontinued

The crystals have a yellow base with a strong green fluorescence

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

Cut Purple Sapphire, Color Change Gemstones artifacts of science specifically Bi12GeO20 aka sillenite)These 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