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AMA style

David Weinberg. "Alexandrite World Occurrences and Mining Localities". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:13 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001. Accessed May 31, 2026.

APA style

"Alexandrite World Occurrences and Mining Localities". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 07:41, May 31, 2026, from http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001.

Bluebook style

"Alexandrite World Occurrences and Mining Localities", http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001 (last visited May 31, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "Alexandrite World Occurrences and Mining Localities", http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001 (Directory of confirmed findings and current mining localities of alexandrite, cat´s eye and chrysoberyl gemstones) (as of May. 31, 2026, 07:41 GMT).

CBE/CSE style

David Weinberg. "Alexandrite World Occurrences and Mining Localities". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:13 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:13 UTC [cited 2026 May 31]. Available from: http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001.

Chicago style

David Weinberg, "Alexandrite World Occurrences and Mining Localities", http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001, (accessed May 31, 2026).

MLA style

"Alexandrite World Occurrences and Mining Localities". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:13 UTC. 31 May 2026 http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001

MHRA style

David Weinberg, "Alexandrite World Occurrences and Mining Localities", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:13 UTC, http://w.alexandrite.com/viewpage.html?id=ALXS-001-00001 [accessed 31 May 2026].