alexandrites

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41. Strong Change Natural Alexandrite 7.24cts.: Extremely rare Alexandrite (Chrysoberyl) Pear 7.24cts from Tanzania (Tunduru); HTML, 15 Kb, -0001-11-30 00:00:00; /gemstones/natural-alexandrite-pear-7-24-faceted_AX4221aa
42. Alexandrite World Occurrences: Study of all the known historical and confirmed alexandrite deposits and mining operations; HTML, 56 Kb, 2008-07-20 13:01:37; /chapters/chapter6/index.html
43. Brazilian alexandrite, Hematita: Information about Brazilian alexandrite findings and mining in Hematita, Brazil.; HTML, 29 Kb, 2008-07-31 07:33:47; /localities/alexandrite-locality-brazil-minas-gerais-hematita.html
44. Alexandrite or Diaphanite?: An important study of alexandrite origin and the people involved in the discovery and the naming of alexandrite gemstone; HTML, 56 Kb, 2008-07-20 13:01:20; /chapters/chapter2/index.html
45. 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
46. The prophetic Russian stone - Alexandrite: History of discovering alexandrite gemstone and the affect it had on the stone's name and the gemstone's value; HTML, 40 Kb, 2008-07-20 13:00:46; /chapters/chapter1/index.html
47. 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
48. 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
49. The Alexandrite Effect: Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective; HTML, 42 Kb, 2008-07-20 13:01:34; /chapters/chapter5/index.html
50. Looking for a alexandrite at Alexandrite discussion forums | Alexandrite guide: Looking for a alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-08-02 14:53:00; /discussion/topic/looking-for-a-alexandrite-FRM-133
51. price discussion at Alexandrite discussion forums | Alexandrite guide: price discussion at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-09-23 16:32:56; /discussion/post/-price-discussion-FRM-165-00003
52. Re: New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide: Re: New Book: Russian Alexandrites by Dr. Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-11-27 21:18:00; /discussion/post/re-new-book-russian-alexandrites-by-dr-karl-schmetzer-FRM-375-00001
53. Grading a color change gems? at Alexandrite discussion forums | Alexandrite guide: Grading a color change gems? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-11-12 14:22:26; /discussion/topic/grading-a-color-change-gems-FRM-167
54. Alexandrites From the Novello Claims in Zim at Alexandrite discussion forums | Alexandrite guide: Alexandrites From the Novello Claims in Zim at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-10-07 13:01:33; /discussion/topic/alexandrites-from-the-novello-claims-in-zim-FRM-374
55. value at Alexandrite discussion forums | Alexandrite guide: value at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2011-06-21 07:10:39; /discussion/topic/value-FRM-426
56. Re: Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide: Re: Contact information for Alexandrite Tsarstone Collectors Guide at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-06-22 09:27:24; /discussion/post/re-contact-information-for-alexandrite-tsarstone-collectors-guide-FRM-358-00002
57. 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
58. Re: Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide: Re: Large clean chrysoberyls sells for around USD 200.00 per carat at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2009-04-21 09:56:19; /discussion/post/re-large-clean-chrysoberyls-sells-for-around-usd-200-00-per-carat-FRM-340-00005
59. alexandrite prices at Alexandrite discussion forums | Alexandrite guide: alexandrite prices at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2006-10-25 13:31:55; /discussion/post/-alexandrite-prices-FRM-166-00003
60. Alexandrite: Named after Russian Tsar Alexander II. A highly dichroic, rare variety of chrysoberyl. Emerald green in natural daylight, reddish in violet by artificial light, due to its unusual absorption properties. One of the hardest and most important gemstones. A f; HTML, 25 Kb, 2008-07-20 13:02:54; /chapters/glossary/alexandrite.html
61. Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide: Alexandrite Ring at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2010-05-12 02:11:14; /discussion/topic/alexandrite-ring-FRM-357
62. Gem Quality Alexandrite at Alexandrite discussion forums | Alexandrite guide: Gem Quality Alexandrite at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-08 20:49:00; /discussion/topic/gem-quality-alexandrite-FRM-174
63. Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide: Is alexandrite the most expensive gemstone in the world? at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2013-01-22 19:50:31; /discussion/post/is-alexandrite-the-most-expensive-gemstone-in-the-world-FRM-458-00001
64. Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide: Classic alexandrite story at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-10-18 05:48:03; /discussion/post/classic-alexandrite-story-FRM-175-00001
65. russian alexandrites at Alexandrite discussion forums | Alexandrite guide: russian alexandrites at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-04-24 03:48:41; /discussion/post/russian-alexandrites-FRM-162-00008
66. How can I check the color change in an alexandrite: Two kinds of light are required to observe color change; daylight and incandescent light?; HTML, 25 Kb, 2008-07-29 08:12:38; /chapters/faq/how-can-i-check-the-color-change-in-an-alexandrite.html
67. 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
68. 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; HTML, 27 Kb, 2008-07-29 08:09:57; /chapters/faq/is-there-a-difference-between-russian-and-brazilian-alexandrite-gemstones.html
69. Are there any other gemstones which change color?: Several other well known gemstones, including diaspore, sapphire, garnet and spinel may also change color as a function of the light source but the color change of top alexandrites is distinctive and attractive under any light conditions.; HTML, 26 Kb, 2008-07-29 08:10:37; /chapters/faq/are-there-any-other-gemstones-which-change-color.html
70. What are the most common colors of alexandrite?: Unfortunately, most alexandrites show either a nice color in daylight or an attractive color under incandescent light. Rarely are both colors bright and vivid and often stones that change to bright red under incandescent light are only brown or almost bla; HTML, 26 Kb, 2008-07-29 08:10:53; /chapters/faq/what-are-the-most-common-colors-of-alexandrite.html
71. 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; HTML, 25 Kb, 2008-07-29 08:11:03; /chapters/faq/how-much-will-a-typical-one-carat-alexandrite-gemstone-cost.html
72. Is alexandrite the most expensive gemstone in the world?: Along with diamonds, rubies, and emeralds, top quality alexandrites are among the most expensive gemstones in the world. In larger sizes over 4.00 or 5.00cts., Burmese rubies are more rare and expensive than alexandrites but in sizes below 1.00cts., alexa; HTML, 26 Kb, 2008-07-29 08:11:10; /chapters/faq/is-alexandrite-the-most-expensive-gemstone-in-the-world.html
73. Are there any ways to improve alexandrite colors by any special treatment like heating?: Alexandrite cannot be improved by any kind of thermal treatment. Although some have tried, heat treatment does not seem to affect alexandrite at all. Some lower quality cracked alexandrites are oiled to hide the cracks but beyond that, alexandrite is not; HTML, 24 Kb, 2008-07-29 08:11:21; /chapters/faq/are-there-any-ways-to-improve-alexandrite-colors-by-any-special-treatment-like-heating.html
74. How can I spot the difference between a natural and a synthetic alexandrite?: HTML, 26 Kb, 2008-07-29 08:11:26; /chapters/faq/how-can-i-spot-the-difference-between-a-natural-and-a-synthetic-alexandrite.html
75. 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
76. Where can I buy natural alexandrite gemstones?: Fine alexandrites or alexandrite jewelry can be purchased from jewelers specializing in colored gemstones, at trade shows, from TV sellers, at high end jewelry auctions, or online from websites specialized in alexandrite. You would be unlikely to find a h; HTML, 25 Kb, 2008-07-29 08:12:01; /chapters/faq/where-can-i-buy-natural-alexandrite-gemstones.html
77. What is the best way to clean and take care of alexandrites?: With a hardness of 8.5, Alexandrite is a tough, hard, and durable gemstone that doesn't require any special attention. Still, even the hardest gemstones can shatter with a single well-placed blow so caution is always a good idea. Washing dishes with your; HTML, 25 Kb, 2008-07-29 08:11:53; /chapters/faq/what-is-the-best-way-to-clean-and-take-care-of-alexandrites.html
78. What do I need to check before purchasing alexandrite gemstone?: First and foremost, we need to look at the quality and strength of the color change. A strong change where the colors are bright and attractive under any kind of light is most desirable. Many stones are either a beautiful green in daylight or a nice pinki; HTML, 26 Kb, 2008-07-29 08:12:28; /chapters/faq/what-do-i-need-to-check-before-purchasing-alexandrite-gemstone.html
79. Round alexandrite prices at Alexandrite discussion forums | Alexandrite guide: Round alexandrite prices at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-03-31 22:32:04; /discussion/post/-round-alexandrite-prices-FRM-162-00007
80. Buy loose alexandrite and ask jeweler to set it for you. at Alexandrite discussion forums | Alexandrite guide: Buy loose alexandrite and ask jeweler to set it for you. at Alexandrite discussion forums | Alexandrite guide; HTML, 25 Kb, 2007-02-18 18:23:00; /discussion/post/buy-loose-alexandrite-and-ask-jeweler-to-set-it-for-you-FRM-162-00004

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