Accessibility options

Switch to preferred accessibility theme:


Increase or decrease the text size:

  • Internet Explorer: View > Text Size > Largest

Keyboard navigation and access keys:

  • A - Accessibility options
  • 0 - Skip navigation
  • 1 - Home
  • 2 - Alexandrite chapters
  • 3 - Alexandrite directory
  • 4 - Alexandrite forums
  • 5 - Alexandrite gemstones
  • 6 - Alexandrite localities
  • 7 - Contact information
  • 8 - About Alexandrite Guide
  • 9 - Sitemap
  • Press ALT + Access Key, then ENTER.

Close

Alexandrite

Tsarstone collectors guide

synthetic

1. 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
HTML, 38 Kb, 2008-07-20 13:02:49
/chapters/glossary/index.html
2. 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
3. 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
4. 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
5. Alexandrite Myths, Legends and Lore
Collection of myths, legends and lore surrounding the alexandrite gemstone
HTML, 50 Kb, 2008-07-20 13:01:57
/chapters/chapter8/index.html
6. Chronological History of Alexandrite
Chronological history timeline, depicting the history of the alexandrite gemstone and it’s roots
HTML, 33 Kb, 2008-07-20 13:02:08
/chapters/chronology-on-the-history-of-alexandrite.html
7. Methods of Producing Synthetic Alexandrite
Information about melt and flux techniques used for the synthetic alexandrite manufacturing
HTML, 41 Kb, 2008-07-20 13:01:46
/chapters/chapter7/methods-of-producing-synthetic-alexandrite.html
8. 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
9. A Bibliography of Alexandrite Gemstone Buyer and Collector's Guide
An annotated bibliography of Alexandrite Gemstone Buyer and Collector's Guide
HTML, 59 Kb, 2008-07-20 13:08:19
/chapters/bibliography.html
10. Synthetic gemstone growth techniques
Information about melt, solution growth and vapour deposition techniques used for synthetic gemstones manufacturing
HTML, 38 Kb, 2008-07-20 13:01:50
/chapters/chapter7/synthetic-gemstone-growth-techniques.html
11. 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
12. Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide
Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-08-11 04:12:00
/discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-361
13. Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide
Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-08-11 04:12:00
/discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-362
14. 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
15. Alexandrite Gemstone Buyer and Jewelry Collector Guide
Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.
HTML, 29 Kb, 2008-07-20 13:00:39
/chapters/index.html
16. 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
17. 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
18. Why is natural alexandrite better than synthetic alexandrite?
Natural alexandrite is not better than synthetic alexandrite but natural alexandrite is very rare and uncommon in modern jewelry because it is hardly ever available and because it is too expensive for the general public to buy. Even lower quality more inc
HTML, 26 Kb, 2008-07-29 08:11:15
/chapters/faq/why-is-natural-alexandrite-better-than-synthetic-alexandrite.html
19. 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
20. Corundum
An aluminum oxide, it occurs as shapeless grains and masses (emery), rhombohedral crystals. Ruby contains traces of chromium oxide, when red and Fe2O3, which modified the color. The color of sapphire results from a combination of titanium and iron oxides,
HTML, 28 Kb, 2008-07-20 13:03:41
/chapters/glossary/corundum.html
21. Alexandrite idenitifcation at Alexandrite discussion forums | Alexandrite guide
Alexandrite idenitifcation at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-11-21 20:09:15
/discussion/post/-alexandrite-idenitifcation-FRM-165-00005
22. 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
23. 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
24. Methods of Producing Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide
Methods of Producing Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-09-02 01:30:00
/discussion/topic/methods-of-producing-synthetic-alexandrite-FRM-159
25. 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
26. Chrysoberyl
A hard, important gem mineral, of which alexandrite and cymophane are two varieties. Occasionally a greenish chatoyancy can be seen which was formerly known as cymophane, but is now called chrysoberyl cat's eye, or oriental cat's eye, when cut en cabochon
HTML, 26 Kb, 2008-07-20 13:03:36
/chapters/glossary/chrysoberyl.html
27. 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
28. Deciding Between Natural and Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide
Deciding Between Natural and Synthetic Alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2011-02-18 01:27:32
/discussion/topic/deciding-between-natural-and-synthetic-alexandrite-FRM-416
29. Inclusions
A general name for any small visible foreign matter such as gas, liquid, glass, or mineral enclosed within a gemstone or rock, which is a growth phenomena. Fracture or cleavage in a gemstone are not classed as inclusions. The nature of inclusions are used
HTML, 26 Kb, 2008-07-20 13:04:58
/chapters/glossary/inclusions.html
30. fluorescence in alexandrite at Alexandrite discussion forums | Alexandrite guide
fluorescence in alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-10-25 13:54:02
/discussion/post/-fluorescence-in-alexandrite-FRM-161-00007
31. Alexandrite substitutes at Alexandrite discussion forums | Alexandrite guide
Alexandrite substitutes at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-05-01 13:48:00
/discussion/post/alexandrite-substitutes-FRM-324-00004
32. Re: Zandrite at Alexandrite discussion forums | Alexandrite guide
Re: Zandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-03-28 12:20:00
/discussion/post/re-zandrite-FRM-324-00002
33. Gemstone
Any rough mineral or other material natural or synthetic, which possesses the necessary attractiveness, brilliance, beauty, rarity, color dispersion, refraction, color or colorless, flawless, portability, fashionably, and durability for use in gem industr
HTML, 25 Kb, 2008-07-20 13:04:30
/chapters/glossary/gemstone.html
34. 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
35. Some alexandrite lasers manafactures at Alexandrite discussion forums | Alexandrite guide
Some alexandrite lasers manafactures at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-09-02 02:03:00
/discussion/post/-some-alexandrite-lasers-manafactures-FRM-160-00002
36. Synthetic
Artificially made substance that has the same appearance, physical properties and chemical compound as its natural counterpart mineral. Some synthetic stones have no counterpart in nature they are synthetic gemstones except if they used as an imitation fo
HTML, 25 Kb, 2008-07-20 13:06:58
/chapters/glossary/synthetic.html
37. what is my alexandrite worth at Alexandrite discussion forums | Alexandrite guide
what is my alexandrite worth at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-12-24 21:10:17
/discussion/post/-what-is-my-alexandrite-worth-FRM-161-00013
38. Imitation
To result something of a genuine article or natural gemstone or simulate it from any material that imitate by its color, the appearance of a natural gemstone. Imitation gemstone having wholly different physical properties and chemical composition, and hen
HTML, 25 Kb, 2008-07-20 13:04:51
/chapters/glossary/imitation.html
39. Flux-fusion method
This is a technique used to make certain synthetic gemstones such as emerald, ruby, spinel, quartz, Alexandrite, YAG, etc., man-made crystals growing in a high melting solvent or flux. The material or composition of desired synthetic crystal (beryllium an
HTML, 24 Kb, 2008-07-20 13:04:23
/chapters/glossary/flux-fusion-method.html
40. Synthetic alexandrite identification at Alexandrite discussion forums | Alexandrite guide
Synthetic alexandrite identification at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-03-28 06:53:00
/discussion/topic/synthetic-alexandrite-identification-FRM-325
41. Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide
Definition of Alexandrine at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-03-19 23:47:00
/discussion/topic/definition-of-alexandrine-FRM-304
42. Chromium
A grayish-white, hard, brittle, non-corrosive metallic element in the Group VIB of the Periodic System, obtained from chromite. One of the eight metallic elements, mainly responsible for green or red color in very important gem minerals such as emerald, r
HTML, 24 Kb, 2008-07-20 13:03:34
/chapters/glossary/chromium.html
43. Czochralski technique
A method of growing synthetic crystal by high-melting point devised by Czochralski and is named as Czochralski pulling technique. Where a seed crystal is gently lowered until it is in contrast with pure melt in the crucible and it is then pulled slowly up
HTML, 24 Kb, 2008-07-20 13:03:52
/chapters/glossary/czochralski-technique.html
44. Synthetic Gems
Thailand based manufacturer and supplier of synthetic lab grown faceted and rough cubic zirconia, spinel, CZ Russian Diamonds, Synthetic corundum, Synthetic Spinel, Terbium Glass, Quartz, Hydrothermal, Precious & Semi-Precious Gems of vaious shapes,
HTML, 63 Kb, 2009-03-30 12:16:11
/directory/manufacturers/synthetic-gems-wdd-003-00041.html
45. Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide
Alexandrite Synthetics and Imitations at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-03-28 05:34:42
/discussion/topic/alexandrite-synthetics-and-imitations-FRM-324
46. The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide
The Alexandrite Laser at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-06-10 17:49:53
/discussion/post/the-alexandrite-laser-FRM-160-00003
47. Quench crackled synthetic corundum
An unusual feature occur in Verneuil synthetic corundum by plunging of still heated stone into a much cooler liquid (thermal shock), which create fractures and it resemble closely to natural stone. By pursuing of this process developed honeycomb pattern d
HTML, 24 Kb, 2008-07-20 13:06:29
/chapters/glossary/quench-crackled-synthetic-corundum.html
48. Zandrite at Alexandrite discussion forums | Alexandrite guide
Zandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2009-03-28 06:22:00
/discussion/post/zandrite-FRM-324-00001
49. Synthetic alexandrite
A misleading term for synthetic spinel or corundum (sapphire), which is able to change color like alexandrite reddish-green in daylight and reddish at artificially light, such stones were at first misnomered as scientific alexandrite. Synthetic sapphire
HTML, 24 Kb, 2008-07-20 13:07:00
/chapters/glossary/synthetic-alexandrite.html
50. Flux inclusions
Inclusions, which are produce by hydrothermal synthetic emeralds by presence of wispy or veillike groups, manufactured by Chatham, Gilson, and Zerfass. That is an unmistakable characteristic of flux-fusion or flux-melt method.
HTML, 24 Kb, 2008-07-20 13:04:21
/chapters/glossary/flux-inclusions.html
51. Perovskite
Prized by collectors. Synthetic strontium titanate or fabulite found in a similar manner to perovskite. Natural counterpart of fabulite with the same composition is called tausonite.
HTML, 23 Kb, 2008-07-20 13:06:16
/chapters/glossary/perovskite.html
52. Novosibirsk synthetic alexandrite
Synthetic alexandrite made in three methods in Russia, (a) growing synthetic stones of solution-growth process or flux process specially for alexandrite, (b) Growing stone of floating-zone process. (c) Melt-grown process or so-called pulling method.
HTML, 24 Kb, 2008-07-20 13:06:00
/chapters/glossary/novosibirsk-synthetic-alexandrite.html
53. Jewel
A fashioned ornament for personal adornment, which is made of noble metals mounted with natural, synthetic, or imitation gemstones.
HTML, 23 Kb, 2008-07-20 13:05:05
/chapters/glossary/jewel.html
54. Alexandrite doublet
A misleading term for both suitably colored synthetic sapphire and spinel, which are used to create alexandrite doublet.
HTML, 23 Kb, 2008-07-20 13:02:58
/chapters/glossary/alexandrite-doublet.html
55. Flux-grown synthetic alexandrite
Synthetic alexandrite crystals are made by flux-fusion method by annexing Fe, and Cr manufactured in USA and Japan.
HTML, 23 Kb, 2008-07-20 13:04:25
/chapters/glossary/flux-grown-synthetic-alexandrite.html
56. Inamori synthetic pulled alexandrite
A promotion term for synthetic alexandrite or alexandrite cat's-eye made by Kyocera company, Japan.
HTML, 23 Kb, 2008-07-20 13:04:52
/chapters/glossary/inamori-synthetic-pulled-alexandrite.html
57. Alexandrine
A misleading term for synthetic alexandrite-like sapphire, which changes color. Also called synthetic alexandrite.
HTML, 23 Kb, 2008-07-20 13:02:52
/chapters/glossary/alexandrine.html
58. Natural
A mineral or substance, which occurs in nature; opposite of synthetic or man-made.
HTML, 23 Kb, 2008-07-20 13:05:53
/chapters/glossary/natural.html
59. Alexandrite-like synthetics
Suitably-colored, synthetic sapphire and spinel, used to imitate alexandrite.
HTML, 23 Kb, 2008-07-20 13:03:05
/chapters/glossary/alexandrite-like-synthetics.html
60. Kashan flux-grown rubies
Flux-grown synthetic ruby, flus-fusion method.
HTML, 23 Kb, 2008-07-20 13:05:20
/chapters/glossary/kashan-flux-grown-rubies.html
Page 1 of 1 Back to Top
1
See options details