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AMA style

David Weinberg. "gemstones". In Alexandrite Tsarstone Collectors Guide. July 28, 2026, 03:28 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11. Accessed July 28, 2026.

APA style

"gemstones". (2026, July 28). In Alexandrite Tsarstone Collectors Guide. Retrieved 03:28, July 28, 2026, from http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11.

Bluebook style

"gemstones", http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11 (last visited July 28, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "gemstones", http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11 (See results 221 - 222 of about 222 for gemstones) (as of Jul. 28, 2026, 03:28 GMT).

CBE/CSE style

David Weinberg. "gemstones". In Alexandrite Tsarstone Collectors Guide. 2026 Jul 28, 03:28 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2026 Jul 28, 03:28 UTC [cited 2026 Jul 28]. Available from: http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11.

Chicago style

David Weinberg, "gemstones", http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11, (accessed July 28, 2026).

MLA style

"gemstones". Alexandrite Tsarstone Collectors Guide. 28 Jul 2026, 03:28 UTC. 28 Jul 2026 http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11

MHRA style

David Weinberg, "gemstones", Alexandrite Tsarstone Collectors Guide, 28 July 2026, 03:28 UTC, http://w.alexandrite.com/viewpage.html?id=ALXS-005-00001-10423-20-11 [accessed 28 July 2026].