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Alexandrite

Tsarstone collectors guide

synthetic

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
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