See results 1 - 10 of about 30 for alexandrite in inclusions http://www.alexandrite.net/search/ Copyright 2006-2008 Alexandrite.net http://blogs.law.harvard.edu/tech/rss en-gb Thu, 4 Aug 2016 04:48:45 +0100 info@multicolour.com Thu, 4 Aug 2016 04:48:45 +0100 (pics-1.1 "http://www.icra.org/pics/vocabularyv03" l gen true for "http://alexandrite.net" r (n 0 s 0 v 0 l 0 oa 0 ob 0 oc 0 od 0 oe 0 of 0 og 0 oh 0 c 1) gen true for "http://www.alexandrite.net" r (n 0 s 0 v 0 l 0 oa 0 ob 0 oc 0 od 0 oe 0 of 0 og 0 oh 0 c 1)) webmaster@multicolour.com Jabba 2.0 Glossary of terms that have been discussed or mentioned at Alexandrite gemstone buyer and collectors guide http://www.alexandrite.net/chapters/glossary/index.html http://www.alexandrite.net/viewpage.html?id=GG-016 Sun, 8 Mar 2009 07:58:52 +0000 Answers to frequently asked questions about alexandrite gemstone identification and value. http://www.alexandrite.net/chapters/faq/index.html http://www.alexandrite.net/viewpage.html?id=GG-012 Sat, 14 Mar 2009 18:00:26 +0000 Guide to synthetic alexandrite production, alexandrite imitations and the differences between natural and synthetic alexandrite http://www.alexandrite.net/chapters/chapter7/index.html http://www.alexandrite.net/viewpage.html?id=GG-009 Sun, 8 Mar 2009 07:56:20 +0000 Comprehensive guide for buying and evaluating alexandrite gemstones http://www.alexandrite.net/chapters/chapter9/index.html http://www.alexandrite.net/viewpage.html?id=GG-011 Sun, 8 Mar 2009 07:56:23 +0000 Information about the chrysoberyl mineral, it's properties, varieties and history http://www.alexandrite.net/chapters/chapter3/index.html http://www.alexandrite.net/viewpage.html?id=GG-005 Sun, 8 Mar 2009 07:56:15 +0000 A comprehensive guide to the chrysoberyl family and it's varieties, including alexandrite and cymophane gemstones http://www.alexandrite.net/chapters/chapter4/index.html http://www.alexandrite.net/viewpage.html?id=GG-006 Sun, 8 Mar 2009 07:56:16 +0000 Information about melt and flux techniques used for the synthetic alexandrite manufacturing http://www.alexandrite.net/chapters/chapter7/methods-of-producing-synthetic-alexandrite.html http://www.alexandrite.net/viewpage.html?id=GG-018 Sun, 8 Mar 2009 08:02:20 +0000 Information about Brazilian alexandrite findings and mining in Serra Dourada, Brazil. http://www.alexandrite.net/localities/alexandrite-locality-brazil-goias-minacu-serra-dourada.html http://www.alexandrite.net/viewpage.html?id=GG-024 Sun, 8 Mar 2009 08:05:38 +0000 http://www.alexandrite.net/chapters/faq/how-can-i-spot-the-difference-between-a-natural-and-a-synthetic-alexandrite.html http://www.alexandrite.net/viewpage.html?id=GG-0132 Tue, 29 Jul 2008 13:02:11 +0100 Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-362 http://www.alexandrite.net/viewpage.html?id=FRM-362 Wed, 11 Aug 2010 04:12:00 +0100 Book Announcement: Russian Alexandrites by Karl Schmetzer at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/topic/book-announcement-russian-alexandrites-by-karl-sch-FRM-361 http://www.alexandrite.net/viewpage.html?id=FRM-361 Wed, 11 Aug 2010 04:12:00 +0100 Understanding alexandrite prices, value and appraisal at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/post/-understanding-alexandrite-prices-value-and-appraisal-FRM-162-00001 http://www.alexandrite.net/viewpage.html?id=FRM-162-00001 Sun, 18 Feb 2007 16:03:56 +0000 Information about Brazilian alexandrite findings and mining in Pindobacu, Brazil. http://www.alexandrite.net/localities/alexandrite-locality-brazil-bahia-pindobacu-carnaiba-mine.html http://www.alexandrite.net/viewpage.html?id=GG-023 Sun, 8 Mar 2009 08:05:37 +0000 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 http://www.alexandrite.net/chapters/faq/what-do-i-need-to-check-before-purchasing-alexandrite-gemstone.html http://www.alexandrite.net/viewpage.html?id=GG-0139 Tue, 29 Jul 2008 13:02:13 +0100 Information about Australian alexandrite findings and mining in Dowerin, Australia. http://www.alexandrite.net/localities/alexandrite-locality-australia-western-australia-dowerin.html http://www.alexandrite.net/viewpage.html?id=GG-021 Sun, 8 Mar 2009 08:05:36 +0000 What gemstones change color like alexandrite? at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/topic/what-gemstones-change-color-like-alexandrite-FRM-282 http://www.alexandrite.net/viewpage.html?id=FRM-282 Fri, 16 Mar 2007 00:59:00 +0000 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. http://www.alexandrite.net/chapters/faq/are-there-any-other-gemstones-which-change-color.html http://www.alexandrite.net/viewpage.html?id=GG-0125 Tue, 29 Jul 2008 12:59:19 +0100 Phenomenal gemstones at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/topic/phenomenal-gemstones-FRM-378 http://www.alexandrite.net/viewpage.html?id=FRM-378 Mon, 18 Oct 2010 19:20:37 +0100 Chrysoberyl is the species name and Alexandrite is the variety name. Alexandrite is that variety of chrysoberyl that changes color as a function of the light source; green in daylight and red under incandescent light. http://www.alexandrite.net/chapters/faq/what-is-the-difference-between-chrysoberyl-and-alexandrite.html http://www.alexandrite.net/viewpage.html?id=GG-0122 Tue, 29 Jul 2008 12:59:18 +0100 Extremely rare Alexandrite (Chrysoberyl) Oval 2.04cts from India (Deobhog area) http://www.alexandrite.net/gemstones/natural-alexandrite-oval-2-04-faceted_yax391aa http://www.alexandrite.net/viewpage.html?id=ALX-001-00074 Mon, 30 Nov -1 00:00:00 +0000 Information about Brazilian alexandrite findings and mining in Esmeraldas de Ferros, Brazil. http://www.alexandrite.net/localities/alexandrite-locality-brazil-minas-gerais-ferros-esmeraldas-de-ferros.html http://www.alexandrite.net/viewpage.html?id=GG-025 Sun, 8 Mar 2009 08:05:38 +0000 Cat's eye is the popular name for an optical effect known as chatoyancy in the gemological nomenclature. Microscopic needle-like inclusions inside the stone reflect a streak of light that appears to open and close as the stone is rotated -- hence the eye http://www.alexandrite.net/chapters/faq/what-is-the-difference-between-cat-s-eye-and-alexandrite.html http://www.alexandrite.net/viewpage.html?id=GG-0123 Tue, 29 Jul 2008 12:59:18 +0100 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 http://www.alexandrite.net/chapters/faq/what-causes-the-cat-s-eye-effect-in-chrysoberyl.html http://www.alexandrite.net/viewpage.html?id=GG-0124 Tue, 29 Jul 2008 12:59:18 +0100 Rare Alexandrite (Chrysoberyl) Oval 1.09cts from India (Deobhog area) http://www.alexandrite.net/gemstones/natural-alexandrite-oval-1-09-faceted_yax469ad http://www.alexandrite.net/viewpage.html?id=ALX-001-00080 Mon, 30 Nov -1 00:00:00 +0000 Rare Alexandrite (Chrysoberyl) Oval 1.34cts from India (Deobhog area) http://www.alexandrite.net/gemstones/natural-alexandrite-oval-1-34-faceted_yax469af http://www.alexandrite.net/viewpage.html?id=ALX-001-00081 Mon, 30 Nov -1 00:00:00 +0000 Extremely rare Alexandrite (Chrysoberyl) Oval 3.03cts from Tanzania (Tunduru) http://www.alexandrite.net/gemstones/natural-alexandrite-oval-3-03-faceted_xax335ad http://www.alexandrite.net/viewpage.html?id=ALX-001-00023 Mon, 30 Nov -1 00:00:00 +0000 Rare Alexandrite (Chrysoberyl) Oval 1.47cts from India (Deobhog area) http://www.alexandrite.net/gemstones/natural-alexandrite-oval-1-47-faceted_xax320cc http://www.alexandrite.net/viewpage.html?id=ALX-001-00058 Mon, 30 Nov -1 00:00:00 +0000 Alexandrite query at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/post/-alexandrite-query-FRM-161-00005 http://www.alexandrite.net/viewpage.html?id=FRM-161-00005 Sat, 21 Oct 2006 23:45:32 +0100 fluorescence in alexandrite at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/post/-fluorescence-in-alexandrite-FRM-161-00007 http://www.alexandrite.net/viewpage.html?id=FRM-161-00007 Wed, 25 Oct 2006 13:54:02 +0100 Definition of Alexandrite cat's eye at Alexandrite discussion forums | Alexandrite guide http://www.alexandrite.net/discussion/topic/definition-of-alexandrite-cat-s-eye-FRM-356 http://www.alexandrite.net/viewpage.html?id=FRM-356 Wed, 14 Apr 2010 06:34:44 +0100