Min .25ct 6x4mm Oval Russian Lab Alexandrite Item: RAV640A
Price: $4.99
Product Description for Min .25ct 6x4mm Oval Russian Lab Alexandritemin .25ct 6x4mm oval russian lab alexandrite. this man-made color change gemstone changes from bluish green in daylight to purplish red in incandescent light. it has essentially the same chemical composition and crystal structure as natural alexandrite.
Product Information for Min .25ct 6x4mm Oval Russian Lab Alexandrite
| Product Type: | Single Stone |
Primary Stone / Alexandrite
| Shape: | Oval | Composition: | Synthetic |
| Cut: | Mixed Cuts | Treatment: | Untreated |
| Color: | Green | Gemstone Group: | Chrysoberyl |
| Dimensions: | 6X4 MM - Calibrated | Optical Properties: | Color Change |
| Customer Rating |
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4.8
out of 5
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16 of 17 (94%) customers would recommend this product to a friend. |
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5
out of 5
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Looks REAL!!!,
June 28, 2008
GemKev
, DC
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"This gemstone in size and color looks SO REAL!!! Great quality! I am VERY happy with this purchase!"
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Product met expectations:
Yes
Purchased as a gift:
No
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5
out of 5
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Love it,
June 20, 2008
jewelrylovinteacher
, Greenville, NC
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"This is my first alexandrite and since I can't afford a real one I most definitely went with the lab created. The color change is so cool. I am just amazed by it. I bought a snap-fit casting and put it together in about five minutes right after i got it out of the mailbox. It's so neat to tell people you actually put it together yourself. I am buying some to make earrings next!"
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Product met expectations:
Yes
Purchased as a gift:
No
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5
out of 5
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beautiful,
June 9, 2008
saqqara
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"they are such a unique color and give off flashes of so many colors like a mystic topaz. even if they didn't color change i would love them. very nice stones, i will enjoy wearing them."
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Product met expectations:
Yes
Purchased as a gift:
No
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5
out of 5
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all the color you want,
June 7, 2008
blinglover
, Dellville, PA
| Quality: |
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5
out of 5
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| Value: |
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5
out of 5
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"This is an excellent item. I purchased two of these stones and the 10kt wg castings to make a pair of earrings. I'm thrilled with this decision. Gorgeous and rich looking; they'll make a wonderful gift if I can bear to part with them. A nice bonus is that they weighed in at just above and just below one-half carat."
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Product met expectations:
Yes
Purchased as a gift:
Yes
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 home learning library alexandrite
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Fast Facts
| A member of the Chrysoberyl family, alexandrite holds a prized and highly priced position among jewelry and gem collectors. |
| A color change stone, alexandrite can appear green in daylight and change to a raspberry color in incandescent light, but other color changes are also highly prized. |
| Alexandrite was discovered in 1830 in the Ural Mountains on the day Czar Alexander II came of age, and thus the stones were named in his honor. |
 The primary sources for alexandrite are Sri Lanka, Brazil, Burma (Myanmar), Madagascar and Russia.
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Alexandrite is a highly prized variety of chrysoberyl. Alexandrite only forms when aluminum/beryllium and chrome (which rarely occurs in nature) come together, accounting for its rarity. On Mohs’ scale of hardness, alexandrite is 8.5. It has a strong vitreous luster and primary sources include Sri Lanka, Zimbabwe, and Brazil (Minas Gerais).
Color
Alexandrite is typically found in blue, blue-green, and brownish-green shades. However, this phenomenal gem is known as "emerald by day, ruby by night" because of its ability to change color, depending on the type of light in which it's viewed. In the daylight and fluorescent light, alexandrite appears in shades of blue and green, but in tungsten (incandescent) light, it appears in shades of red. Other alexandrite color changes are possible (from blue to purple, from greenish blue to reddish blue, from brownish-green to brownish-red, etc.) and also highly prized.
   
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