These 6 color-changing gemstones exhibit different colors under different light wavelengths i.e. sunlight, fluorescent light, and incandescent light.

Alexandrite: The most valuable of all color gemstones, alexandrite can appear from bluish green to pure red.

Garnet: Some garnets can change colors from deep red to tones of orange & brown to vibrant greens to subtle tinges of pink & purple.

Sapphire: A scarce type of Sapphire that has color-changing abilities. The color usually shifts from blue in natural light to purple in artificial lighting.

Diaspore: Diaspore is a rare gem and its two varieties have incredible color shift abilities and exhibit three distinct colors.

Andesine: A color-changing Andesine is extremely rare and it shows a shift of colors between a deep green and a bright purple.

Fluorite: The most recent addition to the list is Fluorite which is generally irradiated to induce the color change from blue to purple.