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Alexandrite

Tsarstone collectors guide


Ultraviolet lamp

Ultraviolet lamp
A mercury discharched lamp in quartz glass designed to produce ultraviolet light for exciting luminescence in gem minerals specially diamonds. The long-wave lamp is provided with wood's glass filter to emit wavelengths between 400 nm and 300 nm. To obtain short-wave wavelengths a low pressure mercury lamp, which emits lines at 253.7 nm by means of a suitable filter or a Chance OX7 filter. Mostly ultraviolet lamps are provided with combination of both SWUV and LWUV.
Bibliographic details
Page title Definition of Ultraviolet lamp
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 04:43 UTC
Date accessed 21 May 2026 18:07 UTC
Permanent link http://m.alexandrite.net/viewpage.html?id=GG-080-00004
AMA style
David Weinberg. "Definition of Ultraviolet lamp". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:43 UTC. Available at: http://m.alexandrite.net/viewpage.html?id=GG-080-00004. Accessed May 21, 2026.
APA style
"Definition of Ultraviolet lamp". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 18:07, May 21, 2026, from http://m.alexandrite.net/viewpage.html?id=GG-080-00004.
Bluebook style
"Definition of Ultraviolet lamp", http://m.alexandrite.net/viewpage.html?id=GG-080-00004 (last visited May 21, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Ultraviolet lamp", http://m.alexandrite.net/viewpage.html?id=GG-080-00004 (A mercury discharched lamp in quartz glass designed to produce ultraviolet light for exciting luminescence in gem minerals specially diamonds. The long-wave lamp is provided with wood's glass filter to emit wavelengths between 400 nm and 300 nm. To obtain short-wave wavelengths a low pressure mercury lamp, which emits lines at 253.7 nm by means of a suitable filter or a Chance OX7 filter. Mostly ultraviolet lamps are provided with combination of both SWUV and LWUV. ) (as of May. 21, 2026, 18:07 GMT).
CBE/CSE style
David Weinberg. "Definition of Ultraviolet lamp". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:43 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:43 UTC [cited 2026 May 21]. Available from: http://m.alexandrite.net/viewpage.html?id=GG-080-00004.
Chicago style
David Weinberg, "Definition of Ultraviolet lamp", http://m.alexandrite.net/viewpage.html?id=GG-080-00004, (accessed May 21, 2026).
MLA style
"Definition of Ultraviolet lamp". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:43 UTC. 21 May 2026 http://m.alexandrite.net/viewpage.html?id=GG-080-00004
MHRA style
David Weinberg, "Definition of Ultraviolet lamp", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:43 UTC, http://m.alexandrite.net/viewpage.html?id=GG-080-00004 [accessed 21 May 2026].
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