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- Iceland_spar abstract "Iceland spar, formerly known as Iceland crystal (Icelandic: silfurberg; lit. silver-rock), is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light (see polarimetry). It occurs in large readily cleavable crystals, easily divisible into rhombs, and is remarkable for its double refraction.Historically, the double-refraction property of this crystal was important to understanding the nature of light as a wave. This was studied at length by Christiaan Huygens and Isaac Newton. Sir George Stokes also studied the phenomenon. Its complete explanation in terms of light polarization was published by Augustin-Jean Fresnel in the 1820s.Mines producing Iceland spar include many mines producing related calcite and aragonite as well as those famously in Iceland, productively in the greater Sonoran desert region as in Santa Eulalia, Chihuahua, Mexico and New Mexico, United States, as well as in the People's Republic of China.".
- Iceland_spar thumbnail Silfurberg.jpg?width=300.
- Iceland_spar wikiPageID "318869".
- Iceland_spar wikiPageLength "7125".
- Iceland_spar wikiPageOutDegree "38".
- Iceland_spar wikiPageRevisionID "698436217".
- Iceland_spar wikiPageWikiLink Aragonite.
- Iceland_spar wikiPageWikiLink Arctic.
- Iceland_spar wikiPageWikiLink Augustin-Jean_Fresnel.
- Iceland_spar wikiPageWikiLink Birefringence.
- Iceland_spar wikiPageWikiLink Calcite.
- Iceland_spar wikiPageWikiLink Calcium_carbonate.
- Iceland_spar wikiPageWikiLink Category:Calcium_minerals.
- Iceland_spar wikiPageWikiLink Category:Carbonate_minerals.
- Iceland_spar wikiPageWikiLink Category:History_of_Iceland.
- Iceland_spar wikiPageWikiLink Category:Optical_materials.
- Iceland_spar wikiPageWikiLink Category:Polarization_(waves).
- Iceland_spar wikiPageWikiLink Category:Transparent_materials.
- Iceland_spar wikiPageWikiLink Category:Trigonal_minerals.
- Iceland_spar wikiPageWikiLink China.
- Iceland_spar wikiPageWikiLink Christiaan_Huygens.
- Iceland_spar wikiPageWikiLink Cleavage_(crystal).
- Iceland_spar wikiPageWikiLink Compass.
- Iceland_spar wikiPageWikiLink Entoptic_phenomenon.
- Iceland_spar wikiPageWikiLink Fovea_centralis.
- Iceland_spar wikiPageWikiLink Haidingers_brush.
- Iceland_spar wikiPageWikiLink Iceland.
- Iceland_spar wikiPageWikiLink Isaac_Newton.
- Iceland_spar wikiPageWikiLink Longship.
- Iceland_spar wikiPageWikiLink Mexico.
- Iceland_spar wikiPageWikiLink Mining.
- Iceland_spar wikiPageWikiLink New_Mexico.
- Iceland_spar wikiPageWikiLink Nicol_prism.
- Iceland_spar wikiPageWikiLink Polarimetry.
- Iceland_spar wikiPageWikiLink Polarization_(waves).
- Iceland_spar wikiPageWikiLink Rhombus.
- Iceland_spar wikiPageWikiLink Santa_Eulalia,_Chihuahua.
- Iceland_spar wikiPageWikiLink Sir_George_Stokes,_1st_Baronet.
- Iceland_spar wikiPageWikiLink Sonoran_Desert.
- Iceland_spar wikiPageWikiLink Sunstone.
- Iceland_spar wikiPageWikiLink Sunstone_(medieval).
- Iceland_spar wikiPageWikiLink Vikings.
- Iceland_spar wikiPageWikiLink William_Nicol_(geologist).
- Iceland_spar wikiPageWikiLink File:Silfurberg.jpg.
- Iceland_spar wikiPageWikiLinkText "Iceland Spar".
- Iceland_spar wikiPageWikiLinkText "Iceland spar".
- Iceland_spar wikiPageWikiLinkText "iceland spar".
- Iceland_spar wikiPageUsesTemplate Template:Lang-is.
- Iceland_spar wikiPageUsesTemplate Template:Lang-non.
- Iceland_spar wikiPageUsesTemplate Template:Main.
- Iceland_spar wikiPageUsesTemplate Template:Reflist.
- Iceland_spar wikiPageUsesTemplate Template:Which.
- Iceland_spar subject Category:Calcium_minerals.
- Iceland_spar subject Category:Carbonate_minerals.
- Iceland_spar subject Category:History_of_Iceland.
- Iceland_spar subject Category:Optical_materials.
- Iceland_spar subject Category:Polarization_(waves).
- Iceland_spar subject Category:Transparent_materials.
- Iceland_spar subject Category:Trigonal_minerals.
- Iceland_spar hypernym Variety.
- Iceland_spar type Grape.
- Iceland_spar type Work.
- Iceland_spar type Astrophysic.
- Iceland_spar type Redirect.
- Iceland_spar type Source.
- Iceland_spar type Work.
- Iceland_spar comment "Iceland spar, formerly known as Iceland crystal (Icelandic: silfurberg; lit. silver-rock), is a transparent variety of calcite, or crystallized calcium carbonate, originally brought from Iceland, and used in demonstrating the polarization of light (see polarimetry).".
- Iceland_spar label "Iceland spar".
- Iceland_spar sameAs Q974568.
- Iceland_spar sameAs Ісландскі_шпат.
- Iceland_spar sameAs Espat_dIslxc3xa0ndia.
- Iceland_spar sameAs Islandský_křišťál.
- Iceland_spar sameAs Espato_de_Islandia.
- Iceland_spar sameAs Islandi_pagu.
- Iceland_spar sameAs Islandiako_espatoa.
- Iceland_spar sameAs Spath_dIslande.
- Iceland_spar sameAs Dvolomac.
- Iceland_spar sameAs Իսլանդական_սպաթ.
- Iceland_spar sameAs Silfurberg.
- Iceland_spar sameAs Islandes_špats.
- Iceland_spar sameAs IJslandspaat.
- Iceland_spar sameAs Dobbeltspat.
- Iceland_spar sameAs Szpat_islandzki.
- Iceland_spar sameAs Espato_da_islândia.
- Iceland_spar sameAs m.02p1gnt.
- Iceland_spar sameAs Spat_de_Islanda.
- Iceland_spar sameAs Исландский_шпат.
- Iceland_spar sameAs Islandsspat.
- Iceland_spar sameAs Ісландський_шпат.
- Iceland_spar sameAs Q974568.
- Iceland_spar wasDerivedFrom Iceland_spar?oldid=698436217.
- Iceland_spar depiction Silfurberg.jpg.
- Iceland_spar isPrimaryTopicOf Iceland_spar.