List of well-known gemological laboratories equipped to test chrysoberyl gemstone varieties, including identification of natural alexandrite gemstones.
Page title | Laboratories |
Author | David Weinberg |
Website title | Alexandrite Tsarstone Collectors Guide |
Date published | 12 August 2011 01:13 UTC |
Date accessed | 02 February 2023 22:12 UTC |
Permanent link | http://www.alexandrite.net/viewpage.html?id=ALX-013 |