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Alexandrite

Tsarstone collectors guide


Magma

Magma
A naturally occurring molten or semi-molten material in suspension, with dissolved gases, generated within or beneath the earth's crust and capable of intrusion and extrusion. Magma, which is extruded on the surface of the earth is called lava.
Bibliographic details
Page title Definition of Magma
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 04:46 UTC
Date accessed 02 June 2026 21:59 UTC
Permanent link http://w.alexandrite.com/viewpage.html?id=GG-098-00001
AMA style
David Weinberg. "Definition of Magma". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:46 UTC. Available at: http://w.alexandrite.com/viewpage.html?id=GG-098-00001. Accessed June 02, 2026.
APA style
"Definition of Magma". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 21:59, June 02, 2026, from http://w.alexandrite.com/viewpage.html?id=GG-098-00001.
Bluebook style
"Definition of Magma", http://w.alexandrite.com/viewpage.html?id=GG-098-00001 (last visited June 02, 2026).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Magma", http://w.alexandrite.com/viewpage.html?id=GG-098-00001 (A naturally occurring molten or semi-molten material in suspension, with dissolved gases, generated within or beneath the earth's crust and capable of intrusion and extrusion. Magma, which is extruded on the surface of the earth is called lava.) (as of Jun. 02, 2026, 21:59 GMT).
CBE/CSE style
David Weinberg. "Definition of Magma". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:46 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:46 UTC [cited 2026 Jun 02]. Available from: http://w.alexandrite.com/viewpage.html?id=GG-098-00001.
Chicago style
David Weinberg, "Definition of Magma", http://w.alexandrite.com/viewpage.html?id=GG-098-00001, (accessed June 02, 2026).
MLA style
"Definition of Magma". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:46 UTC. 02 Jun 2026 http://w.alexandrite.com/viewpage.html?id=GG-098-00001
MHRA style
David Weinberg, "Definition of Magma", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:46 UTC, http://w.alexandrite.com/viewpage.html?id=GG-098-00001 [accessed 02 June 2026].
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