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Alexandrite

Tsarstone collectors guide


Volcanic rock

Volcanic rock
Generally a fine crystalline or glassy igneous rock, which is formed by the solidification of molten magma or lava on the Earth's surface during volcanic action. Such as basalt, obsidian, etc.
Bibliographic details
Page title Definition of Volcanic rock
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:43 UTC
Date accessed 22 September 2014 06:13 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=GG-081-00004
AMA style
David Weinberg. "Definition of Volcanic rock". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:43 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=GG-081-00004. Accessed September 22, 2014.
APA style
"Definition of Volcanic rock". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 06:13, September 22, 2014, from http://www.alexandrite.net/viewpage.html?id=GG-081-00004.
Bluebook style
"Definition of Volcanic rock", http://www.alexandrite.net/viewpage.html?id=GG-081-00004 (last visited September 22, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Volcanic rock", http://www.alexandrite.net/viewpage.html?id=GG-081-00004 (Generally a fine crystalline or glassy igneous rock, which is formed by the solidification of molten magma or lava on the Earth's surface during volcanic action. Such as basalt, obsidian, etc. ) (as of Sep. 22, 2014, 06:13 GMT).
CBE/CSE style
David Weinberg. "Definition of Volcanic rock". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:43 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:43 UTC [cited 2014 Sep 22]. Available from: http://www.alexandrite.net/viewpage.html?id=GG-081-00004.
Chicago style
David Weinberg, "Definition of Volcanic rock", http://www.alexandrite.net/viewpage.html?id=GG-081-00004, (accessed September 22, 2014).
MLA style
"Definition of Volcanic rock". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:43 UTC. 22 Sep 2014 http://www.alexandrite.net/viewpage.html?id=GG-081-00004
MHRA style
David Weinberg, "Definition of Volcanic rock", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:43 UTC, http://www.alexandrite.net/viewpage.html?id=GG-081-00004 [accessed 22 September 2014].
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