Min 3.50ct 11x11mm Trillion Russian Lab Alexandrite Item: RAT110A
In Stock Price: $69.99
Estimated shipping: $4.99*
Product Description for Min 3.50ct 11x11mm Trillion Russian Lab AlexandriteAlexandrite is a phenomenal gem known as "emerald by day, ruby by night" because it changes color from green in fluorescent and daylight to red in incandescent light. Ranking 8.5 on Mohs' scale, it's ideal for daily wear. Discovered in 1830 in emerald mines of Russia's Ural Mountains, it was named for Czar Alexander II. Found in Brazil, Sri Lanka, and Tanzania, alexandrite only forms when aluminum/beryllium and chrome (which rarely occurs in nature) come together, accounting for its rarity.
Product Information for Min 3.50ct 11x11mm Trillion Russian Lab Alexandrite
| Product Type: | Single Stone |
Primary Stone / Alexandrite
| Shape: | Trillion | Composition: | Synthetic |
| Cut: | Mixed Cuts | Treatment: | Untreated |
| Color: | Green | Gemstone Group: | Chrysoberyl |
| Dimensions: | 11 MM - Calibrated | Origin: | Russia |
| Count: | 1.00 | Origin: | Russia |
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2 of 2 (100%) customers would recommend this product to a friend. |
 home learning library chrysoberyl
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Fast Facts
| While chrysoberyl is actually Greek for “gold,” the most common color is greenish-yellow is commonly found in Victorian and Edwardian jewelry. |
| Chrysoberyl is also found in green, brownish-yellow and honey yellow colors. |
| Alexandrite, a grass green chrysoberyl, changes color to a raspberry red under incandescent light. |
| Some chrysoberyl, when cut with a dome surface (cabochon) displays a streak of light known as cat’s eye. When used alone, the term cat’s eye always refers to chrysoberyl. These stones are highly prized among collectors. |
 Looking for chrysoberyl? Look in Brazil, Sri Lanka, Burma (Myanmar), Russia (Urals), Zimbabwe, and the United States.
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Chrysoberyl is a mineral that produces gemstones ranging from golden-yellow to green-yellow, green, brownish and red. Two prized chrysoberyl gemstones include alexandrite and chrysoberyl cat’s eye. On Mohs’ scale of hardness, it is 8.5, making chrysoberyl among the hardest gemstones. Sources include Brazil, Sri Lanka, Burma (Myanmar), Russia (Urals), Zimbabwe and the United States.
Color
Chrysoberyl cat’s eye is a highly prized gemstone in the chrysoberyl family. The shortened term “cat’s eye” always refers to chrysoberyl cat’s eye. When cut in a cabochon or dome style, it displays fine, parallel lines of moving light rays that appear similar to the pupil of a cat. On Mohs’ scale of hardness, it is fairly hard at 8.5. Primary sources include Sri Lanka and Brazil as well as China, India, and Zimbabwe.
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