$383Median
56Sold (12 mo)
$5,000Last sale
Chrysoberyl
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A loose twinned deep green crystal grouping of chrysoberyl, this is the variety known as alexandrite. In great condition and a superb thumbnail specimen. The color changes shown at the end of the video.Alexandrite is a rare variety of the mineral chrysoberyl that is famous for its color change effect. It was first discovered in Russia in the 19th century and is valued as a gemstone. The color change is caused by trace amounts of chromium in the crystal structure, which affects how the mineral absorbs light. In daylight, which is rich in blue and green wavelengths, alexandrite appears green, while in incandescent light, which is richer in red wavelengths, it appears red to purple. This selective absorption of light produces the distinctive color change that makes alexandrite highly prized.
Product details
SpeciesChrysoberyl
SizeThumbnail
Dimensions1.7 x 1.3 x 0.5 cm
Added on03/25/2026
LocalityZimbabwe, Masvingo, Novello Mine
Current owner
Unknown Owner
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Weinrich Minerals | Not disclosed |
Learn more
Mineral guide
Learn about Chrysoberyl
sharp twinned crystals, alexandrite color change, and cat’s-eye chatoyancy; prized by collectors with notable localities in Espírito Santo, Brazil.Regional guide
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