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Alexandrite

Tsarstone collectors guide

alexandrite change color in natural

1. A Bibliography of Alexandrite Gemstone Buyer and Collector's Guide
An annotated bibliography of Alexandrite Gemstone Buyer and Collector's Guide
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/chapters/bibliography.html
2. Alexandrite retail markup at Alexandrite discussion forums | Alexandrite guide
Alexandrite retail markup at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-02-18 18:10:13
/discussion/post/-alexandrite-retail-markup-FRM-162-00002
3. Old Russian Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide
Old Russian Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2011-08-26 12:37:00
/discussion/post/-old-russian-alexandrite-ring-FRM-368-00001
4. Understanding alexandrite prices, value and appraisal at Alexandrite discussion forums | Alexandrite guide
Understanding alexandrite prices, value and appraisal at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-02-18 16:03:56
/discussion/post/-understanding-alexandrite-prices-value-and-appraisal-FRM-162-00001
5. Alexandrite 3.03cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 3.03cts from Tanzania (Tunduru)
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6. Alexandrite Buyer's Guide
Comprehensive guide for buying and evaluating alexandrite gemstones
HTML, 77 Kb, 2008-07-20 13:02:02
/chapters/chapter9/index.html
7. Alexandrite Frequently Asked Questions
Answers to frequently asked questions about alexandrite gemstone identification and value.
HTML, 46 Kb, 2008-07-20 12:02:11
/chapters/faq/index.html
8. Alexandrite Synthetics and Imitations
Guide to synthetic alexandrite production, alexandrite imitations and the differences between natural and synthetic alexandrite
HTML, 60 Kb, 2008-07-20 13:01:43
/chapters/chapter7/index.html
9. Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide
Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide
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/discussion/topic/alexandrite-synthetics-and-imitations-FRM-324
10. Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide
Are there any other gemstones which change color? at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-04-04 14:14:00
/discussion/topic/are-there-any-other-gemstones-which-change-color-FRM-341
11. Bright Alexandrite Oval 5.16cts Super Value!
Extremely rare Alexandrite (Chrysoberyl) Oval 5.16cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-oval-5-16-faceted_AX1863a
12. Certified Fine Natural Alexandrite .2.60cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 2.6cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-2-6-faceted_YAX407aa
13. Certified Fine Natural Alexandrite 1.24cts.
Rare Alexandrite (Chrysoberyl) Oval 1.24cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-1-24-faceted_yax440aa
14. Certified Fine Natural Alexandrite 1.41cts.
Rare Alexandrite (Chrysoberyl) Oval 1.41cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-41-faceted_yax434aa
15. Certified Fine Natural Alexandrite 4.16cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 4.16cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-4-16-faceted_WNAX1152aa
16. Certified Natural Alexandrite Trillion 2.03cts.
Extremely rare Alexandrite (Chrysoberyl) Triangle 2.03cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-triangle-2-03-faceted_yax380aa
17. Certified Natural 7.0mm Alexandrite 2.16cts.
Extremely rare Alexandrite (Chrysoberyl) Round 2.16cts from India (Deobhog area)
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/gemstones/natural-alexandrite-round-2-16-faceted_yax409aa
18. Certified Natural Alexandrite 2.20cts.
Extremely rare Alexandrite (Chrysoberyl) Fancy 2.2cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-fancy-2-2-faceted_xax320bh
19. Certified Natural Alexandrite Cushion 4.12cts
Extremely rare Alexandrite (Chrysoberyl) Cushion 4.12cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-cushion-4-12-faceted_AX4180aa
20. Certified Natural Alexandrite Oval 1.01cts.
Rare Alexandrite (Chrysoberyl) Oval 1.01cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-01-faceted_yax361aa
21. Certified Natural Alexandrite Oval 1.03cts.
Rare Alexandrite (Chrysoberyl) Oval 1.03cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-03-faceted_yax239ah
22. Certified Natural Alexandrite Oval 1.09cts.
Rare Alexandrite (Chrysoberyl) Oval 1.09cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-09-faceted_yax469ad
23. Certified Natural Alexandrite Oval 1.19cts
Rare Alexandrite (Chrysoberyl) Oval 1.19cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-19-faceted_yax373aa
24. Certified Natural Alexandrite Oval 1.23cts
Rare Alexandrite (Chrysoberyl) Oval 1.23cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-23-faceted_yax375aa
25. Certified Natural Alexandrite Oval 1.31cts.
Rare Alexandrite (Chrysoberyl) Oval 1.31cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-31-faceted_yax232aa
26. Certified Natural Alexandrite Oval 1.34cts.
Rare Alexandrite (Chrysoberyl) Oval 1.34cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-34-faceted_yax469af
27. Certified Natural Alexandrite Oval 1.85cts.
Rare Alexandrite (Chrysoberyl) Oval 1.85cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
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28. Certified Natural Alexandrite Oval 2.04cts
Extremely rare Alexandrite (Chrysoberyl) Oval 2.04cts from India (Deobhog area)
HTML, 16 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-2-04-faceted_yax391aa
29. Certified Natural Alexandrite Oval 2.70cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 2.7cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-2-7-faceted_YAX383aa
30. Certified Natural Alexandrite Pear 3.06ct.
Extremely rare Alexandrite (Chrysoberyl) Pear 3.06cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
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31. Certified Strong Change Alexandrite Oval 3.52cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 3.52cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-3-52-faceted_XAX333ad
32. Certified Strong Change Alexandrite 1.79cts.
Rare Alexandrite (Chrysoberyl) Oval 1.79cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-79-faceted_xax320bl
33. Certified Strong Change Alexandrite 21.23cts
Extremely rare Alexandrite (Chrysoberyl) Cushion 21.23cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-cushion-21-23-faceted_AX1161aa
34. Certified Strong Change Alexandrite 26.75cts
Extremely rare Alexandrite (Chrysoberyl) Cushion 26.75cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-cushion-26-75-faceted_AX1159aa
35. Certified Strong Color Change Alexandrite
Extremely rare Alexandrite (Chrysoberyl) Oval 3.06cts from Asia (Andhra Pradesh)
HTML, 15 Kb, -0001-11-30 00:00:00
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36. Certified Strong Color Change Alexandrite 1.04cts.
Rare Alexandrite (Chrysoberyl) Oval 1.04cts from India (Deobhog area)
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37. Chrysoberyl Species and Variety
Information about the chrysoberyl mineral, it's properties, varieties and history
HTML, 65 Kb, 2008-07-20 13:01:25
/chapters/chapter3/index.html
38. Color change
There are four major methods of changing the colors of gemstones. These are surface painting or foiling the back, oiling, coating, impregnating, staining of porous stones, heat treatment, and irradiation by particles of atomic size and X-rays. The color c
HTML, 26 Kb, 2008-07-20 13:03:40
/chapters/glossary/color-change.html
39. Colour change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide
Colour change garnet vs Alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-04-07 09:48:00
/discussion/post/colour-change-garnet-vs-alexandrite-FRM-342-00001
40. Different colors of alexandrite at Alexandrite discussion forums | Alexandrite guide
Different colors of alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-08-06 10:37:53
/discussion/post/different-colors-of-alexandrite-FRM-347-00001
41. Fine Cut / Good Clarity Alexandrite 3.03cts.
Extremely rare Alexandrite (Chrysoberyl) Octagon 3.03cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-octagon-3-03-faceted_xax329ab
42. Fine Strong Color Change Alexandrite Oval
Rare Alexandrite (Chrysoberyl) Oval 1.04cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-1-04-faceted_yax507aa
43. Gemmy Color Change Alexandrite Oval 5.08cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 5.08cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-oval-5-08-faceted_AX4139aa
44. Glossary of Terms for Alexandrite Gemstone Buyer and Collector's Guide
Glossary of terms that have been discussed or mentioned at Alexandrite gemstone buyer and collectors guide
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/chapters/glossary/index.html
45. How can I check the color change in an alexandrite
Two kinds of light are required to observe color change; daylight and incandescent light?
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/chapters/faq/how-can-i-check-the-color-change-in-an-alexandrite.html
46. How can I spot the difference between a natural and a synthetic alexandrite?
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/chapters/faq/how-can-i-spot-the-difference-between-a-natural-and-a-synthetic-alexandrite.html
47. How much will a typical one carat alexandrite gemstone cost?
The retail replacement cost for a 1ct. alexandrite could be anywhere between $500 to $12,000 per carat. The intensity of the color change and the attractiveness of the colors are the most important factors in determining the value of an alexandrite. With
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/chapters/faq/how-much-will-a-typical-one-carat-alexandrite-gemstone-cost.html
48. How much will a typical one carat alexandrite gemstone cost? at Alexandrite discussion forums | Alexandrite guide
How much will a typical one carat alexandrite gemstone cost? at Alexandrite discussion forums | Alexandrite guide
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/discussion/topic/how-much-will-a-typical-one-carat-alexandrite-gems-FRM-458
49. I have an alexandrite ring that my parents purchased in the 50s, what are the chances the stone is a genuine natural alexandrite?
It is very unlikely that even an old alexandrite ring could contain a natural alexandrite. Natural alexandrites, especially large clean stones are extremely rare and almost never available at any price. Most old inherited alexandrite rings are actually sy
HTML, 27 Kb, 2008-07-29 08:11:37
/chapters/faq/what-are-the-chances-an-alexandrite-purchased-in-the-50s-is-natural.html
50. Is the June birthstone pearl or alexandrite?
Various birthstone lists have been used in different cultures for thousands of years.
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/chapters/faq/is-the-june-birthstone-pearl-or-alexandrite.html
51. Is there a difference between Russian and Brazilian Alexandrite gemstones?
The mining of alexandrite in Russia lasted less than 100 years from the time it was discovered in 1833 to the early 1900’s. It was George Kunz, the gemologist/gemstone buyer for Tiffany & Co that probably did the most to popularize this unique gemst
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/chapters/faq/is-there-a-difference-between-russian-and-brazilian-alexandrite-gemstones.html
52. Large Collector Alexandrite Oval 6.23cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 6.23cts from Tanzania (Tunduru)
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53. My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide
My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-05-25 07:18:57
/discussion/post/my-mother-has-an-alexandrite-ring-she-may-wish-to-sell-FRM-357-00001
54. Natural alexandrite investment potential? at Alexandrite discussion forums | Alexandrite guide
Natural alexandrite investment potential? at Alexandrite discussion forums | Alexandrite guide
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/discussion/topic/natural-alexandrite-investment-potential-FRM-380
55. Nice Color Change Alexandrite Oval 2.09cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 2.09cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-2-09-faceted_xax327ab
56. Nice Natural Alexandrite Oval 8.94cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 8.94cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-8-94-faceted_AX4224aa
57. Quality Alexandrite Pear Shape 2.12cts.
Extremely rare Alexandrite (Chrysoberyl) Pear 2.12cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-pear-2-12-faceted_XAX333af
58. Quality Natural Alexandrite Cushion 2.70cts.
Extremely rare Alexandrite (Chrysoberyl) Cushion 2.7cts from India (Deobhog area)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-cushion-2-7-faceted_YAX129aa
59. Quality Orissa Alexandrite Oval 1.60cts.
Rare Alexandrite (Chrysoberyl) Oval 1.6cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-1-6-faceted_xax321aa
60. Re: My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide
Re: My mother has an Alexandrite ring she may wish to sell at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-12-09 02:01:01
/discussion/post/re-my-mother-has-an-alexandrite-ring-she-may-wish-to-sell-FRM-357-00002
61. Step Cut Alexandrite Oval, 5.16 cts at Alexandrite discussion forums | Alexandrite guide
Step Cut Alexandrite Oval, 5.16 cts at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-12-22 15:50:53
/discussion/topic/step-cut-alexandrite-oval-5-16-cts-FRM-169
62. Strong Change Natural Alexandrite 10.20cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 10.2cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-oval-10-2-faceted_AX4219aa
63. Strong Change Natural Alexandrite 13.55cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 13.55cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-oval-13-55-faceted_AX4220aa
64. Strong Change Natural Alexandrite 7.24cts.
Extremely rare Alexandrite (Chrysoberyl) Pear 7.24cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-pear-7-24-faceted_AX4221aa
65. Strong Change Natural Alexandrite 8.08cts.
Extremely rare Alexandrite (Chrysoberyl) Pear 8.08cts from Tanzania (Tunduru)
HTML, 15 Kb, -0001-11-30 00:00:00
/gemstones/natural-alexandrite-pear-8-08-faceted_AX4222aa
66. Strong Color Change Alexandrite Cushion
Extremely rare Alexandrite (Chrysoberyl) Cushion 21.41cts from India (Deobhog area)
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/gemstones/natural-alexandrite-cushion-21-41-faceted_ax6302aa
67. Strong Color Change Alexandrite Oval
Rare Alexandrite (Chrysoberyl) Oval 1.05cts from India (Deobhog area)
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68. Strong Color Change Alexandrite Oval .47ct.
Rare Alexandrite (Chrysoberyl) Oval 0.47cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-0-47-faceted_yax201ap
69. Strong Color Change Alexandrite Oval .96ct.
Rare Alexandrite (Chrysoberyl) Oval 0.96cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-0-96-faceted_yax227aa
70. Strong Color Change Alexandrite Oval 1.19cts.
Rare Alexandrite (Chrysoberyl) Oval 1.19cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-1-19-faceted_yax501ab
71. Strong Color Change Oval Alexandrite 1.47ct.
Rare Alexandrite (Chrysoberyl) Oval 1.47cts from India (Deobhog area)
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/gemstones/natural-alexandrite-oval-1-47-faceted_xax320cc
72. The Alexandrite Laser
Synthetic alexandrite predominantly used as a laser and was initially developed for military and government applications
HTML, 41 Kb, 2008-07-20 13:01:54
/chapters/chapter7/the-alexandrite-laser.html
73. Top Gem Quality Natural Alexandrite 8.66cts.
Extremely rare Alexandrite (Chrysoberyl) Oval 8.66cts from Tanzania (Tunduru)
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/gemstones/natural-alexandrite-oval-8-66-faceted_MSAX1122aa
74. What causes the cat's-eye effect in chrysoberyl?
The cat's-eye effect is caused by the reflection of light off of minute, parallel, needle-like rutile crystals or hollow tubes within the stone. Cat's eye inclusions are aligned parallel to the crystallographic axis and the stones are always cut as caboch
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/chapters/faq/what-causes-the-cat-s-eye-effect-in-chrysoberyl.html
75. What makes natural alexandrite so expensive?
Alexandrite is an expensive gemstone because it so rare and production has always been limited. For years, the only source for alexandrite was Russia. In the last 20 or 30 years several new discoveries of alexandrite have been reported but production of s
HTML, 25 Kb, 2008-07-29 08:10:06
/chapters/faq/what-makes-natural-alexandrite-so-expensive.html
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