Why do labradorite flash colors? Labradorite has this beautiful shine on the inside of it. But before we discuss why that happens, we’ll discuss what it is.
What Is Feldspar?
Labradorite is a type of feldspar. Feldspar is a type of stone that is the most common in the Earth’s crust. It is 60% of the Earth’s crust. There are many different colors, but pink and white are common. You may also see a gray part, which is quartz. Quartz is the second most common in the Earth’s crust.
Why Labradorite Flash Colors?

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Back to labradorite, labradorite gets its shine because of this makeup from the feldspar. You can see how it shines and turns white, so that’s where it’s reflecting the light. Essentially, the feldspar forms these layers inside of the labradorite. And as these layers form, the light enters the stone and refracts back and forth between all these layers, scattering it as it emerges from the stone.
It is emerging at a different wavelength than it originally entered. This is called diffraction, so we get all these different colors inside the stone. This effect was named after this stone, called labradorescence, because it is just a whole brilliant.
Many other stones in this feldspar family can display these kinds of color play, and they’re not always the same shine as this labradorescence. There are other names for it as well. But one of the other types of the family is the moonstone.

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Moonstone tends to get these bright blue flashes. It can display other colors as well, but typically you get this nice iridescent blue, and the same way, essentially forms that as the labradorite.
Hope this article about why labradorite flash colors may help you out.