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AMA style

David Weinberg. "colour change stone". In Alexandrite Tsarstone Collectors Guide. July 15, 2026, 00:19 UTC. Available at: http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0. Accessed July 15, 2026.

APA style

"colour change stone". (2026, July 15). In Alexandrite Tsarstone Collectors Guide. Retrieved 00:19, July 15, 2026, from http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0.

Bluebook style

"colour change stone", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0 (last visited July 15, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "colour change stone", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0 (See results 1 - 2 of about 2 for colour change stone) (as of Jul. 15, 2026, 00:19 GMT).

CBE/CSE style

David Weinberg. "colour change stone". In Alexandrite Tsarstone Collectors Guide. 2026 Jul 15, 00:19 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2026 Jul 15, 00:19 UTC [cited 2026 Jul 15]. Available from: http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0.

Chicago style

David Weinberg, "colour change stone", http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0, (accessed July 15, 2026).

MLA style

"colour change stone". Alexandrite Tsarstone Collectors Guide. 15 Jul 2026, 00:19 UTC. 15 Jul 2026 http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0

MHRA style

David Weinberg, "colour change stone", Alexandrite Tsarstone Collectors Guide, 15 July 2026, 00:19 UTC, http://m.alexandrite.net/viewpage.html?id=ALXS-005-00001-3071-10-0 [accessed 15 July 2026].