Magnesium: Perbedaan antara revisi

Saat terbakar di udara, magnesium menghasilkan cahaya putih cemerlang yang mencakup panjang gelombang ultraviolet yang kuat. Bubuk magnesium ([[bubuk kilat]]) digunakan untuk penerangan subjek pada masa-masa awal [[fotografi]].<ref>{{Cite book|url=https://books.google.com/books?id=Kd5cAgAAQBAJ|title=Encyclopedia of Nineteenth-Century Photography|last=Hannavy|first=John|date=2013-12-16|publisher=Routledge|isbn=9781135873271|page=84|language=en}}</ref><ref>{{Cite book|url=https://books.google.com/books?id=H3E3AQAAMAAJ|title=Scientific American: Supplement|date=1899-01-01|publisher=Munn and Company|volume=48|page=20035|language=en}}</ref> Kemudian, filamen magnesium digunakan pada [[bola lampu]] fotografi penggunaan tunggal yang dinyalakan secara elektrik. Bubuk magnesium digunakan dalam [[kembang api]] dan [[suar]] laut yang memerlukan cahaya putih cemerlang. Magnesium juga digunakan untuk berbagai efek teatrikal,<ref>{{Cite book|url=https://books.google.com/books?id=1ycEAAAAMBAJ|title=Billboard|last=Inc|first=Nielsen Business Media|date=1974-02-09|publisher=Nielsen Business Media, Inc.|page=20|language=en}}</ref> seperti petir,<ref>{{Cite book|url=https://books.google.com/books?id=MUA3uwBCf6YC|title=Silent Film Sound|last=Altman|first=Rick|date=2007-01-01|publisher=Columbia University Press|isbn=9780231116633|page=41|language=en}}</ref> kedipan pistol,<ref>{{Cite book|url=https://books.google.com/books?id=OxBEOLcnrIkC|title=Madness in the Making: The Triumphant Rise & Untimely Fall of America's Show Inventors|last=Lindsay|first=David|date=2005-05-01|publisher=iUniverse|isbn=9780595347667|page=210|language=en}}</ref> dan penampilan supernatural.<ref>{{Cite book|url=https://books.google.com/books?id=ikl0yx0WbAIC|title=Popular Puppet Theatre in Europe, 1800-1914|last=McCormick|first=John|last2=Pratasik|first2=Bennie|date=2005-08-04|publisher=Cambridge University Press|isbn=9780521616157|page=106|language=en}}</ref>

 

{{Category see also|Mineral magnesium}}

Magnesium adalah unsur kedelapan yang paling melimpah di kerak bumi berdasarkan massa dan berada di tempat ketujuh bersama-sama dengan besi berdasarkan [[molaritas]].<ref name="Abundance">{{cite journal |title=Abundance and form of the most abundant elements in Earth's continental crust |format=PDF |accessdate=15 February 2008 |url=http://www.gly.uga.edu/railsback/Fundamentals/ElementalAbundanceTableP.pdf |journal= |archive-date=2011-09-27 |archive-url=https://web.archive.org/web/20110927064201/http://www.gly.uga.edu/railsback/Fundamentals/ElementalAbundanceTableP.pdf |dead-url=yes }}</ref> Ia ditemukan dalam deposit besar [[magnesit]], [[dolomit]], dan [[mineral]] lainnya, dan dalam air mineral, yang mengandung ion magnesium terlarut.