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AMA style

David Weinberg. "Definition of Moh's hardness scale". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:50 UTC. Available at: http://m.alexandrite.net/viewpage.html?id=GG-098-00007. Accessed April 03, 2026.

APA style

"Definition of Moh's hardness scale". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 15:39, April 03, 2026, from http://m.alexandrite.net/viewpage.html?id=GG-098-00007.

Bluebook style

"Definition of Moh's hardness scale", http://m.alexandrite.net/viewpage.html?id=GG-098-00007 (last visited April 03, 2026).

Bluebook: Harvard JOLT style

See Alexandrite Tsarstone Collectors Guide, "Definition of Moh's hardness scale", http://m.alexandrite.net/viewpage.html?id=GG-098-00007 (The most commonly used ten standard scale of relative hardness of minerals. The scale is expressed in numbers ranging from 1 through 10: (1) talc, (2) gypsum, (3) calcite, (4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10) diamond. ) (as of Apr. 03, 2026, 15:39 GMT).

CBE/CSE style

David Weinberg. "Definition of Moh's hardness scale". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:50 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:50 UTC [cited 2026 Apr 03]. Available from: http://m.alexandrite.net/viewpage.html?id=GG-098-00007.

Chicago style

David Weinberg, "Definition of Moh's hardness scale", http://m.alexandrite.net/viewpage.html?id=GG-098-00007, (accessed April 03, 2026).

MLA style

"Definition of Moh's hardness scale". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:50 UTC. 03 Apr 2026 http://m.alexandrite.net/viewpage.html?id=GG-098-00007

MHRA style

David Weinberg, "Definition of Moh's hardness scale", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:50 UTC, http://m.alexandrite.net/viewpage.html?id=GG-098-00007 [accessed 03 April 2026].