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37 relations: American Mineralogist, Aragonite, Arctic, Augustin-Jean Fresnel, BiblioBazaar, Birefringence, Calcite, Calcium carbonate, China, Christiaan Huygens, Cleavage (crystal), CNKI, Compass, E. T. Whittaker, Entoptic phenomenon, Fovea centralis, Haidinger's brush, Iceland, Isaac Newton, Joseph Larmor, Mexico, Mindat.org, Mining, New Mexico, Nicol prism, Polarimetry, Polarization (waves), Proceedings of the Royal Society, Refractive index, Rhombus, Santa Eulalia, Chihuahua, Sonoran Desert, Sunstone, Sunstone (medieval), Susanne Åkesson, Vikings, William Nicol (geologist).
American Mineralogist
American Mineralogist: An International Journal of Earth and Planetary Materials is a peer-reviewed scientific journal covering the general fields of mineralogy, crystallography, geochemistry, and petrology.
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Aragonite
Aragonite is a carbonate mineral, one of the two most common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other forms being the minerals calcite and vaterite).
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Arctic
The Arctic is a polar region located at the northernmost part of Earth.
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Augustin-Jean Fresnel
Augustin-Jean Fresnel (10 May 178814 July 1827) was a French civil engineer and physicist whose research in optics led to the almost unanimous acceptance of the wave theory of light, excluding any remnant of Newton's corpuscular theory, from the late 1830s until the end of the 19th century.
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BiblioBazaar
BiblioBazaar is, with Nabu Press, an imprint of the historical reprints publisher BiblioLife, which is based in Charleston, South Carolina and owned by BiblioLabs LLC.
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Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.
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Calcite
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
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Calcium carbonate
Calcium carbonate is a chemical compound with the formula CaCO3.
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China
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
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Christiaan Huygens
Christiaan Huygens (Hugenius; 14 April 1629 – 8 July 1695) was a Dutch physicist, mathematician, astronomer and inventor, who is widely regarded as one of the greatest scientists of all time and a major figure in the scientific revolution.
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Cleavage (crystal)
Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural planes.
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CNKI
CNKI (China National Knowledge Infrastructure, 中国知网) is a key national information construction project under the lead of Tsinghua University, and supported by PRC Ministry of Education, PRC Ministry of Science, Propaganda Department of the Communist Party of China and PRC General Administration of Press and Publication.
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Compass
A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions (or points).
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E. T. Whittaker
Edmund Taylor Whittaker FRS FRSE (24 October 1873 – 24 March 1956) was an English mathematician who contributed widely to applied mathematics, mathematical physics, and the theory of special functions.
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Entoptic phenomenon
Entoptic phenomena (from Greek ἐντός "within" and ὀπτικός "visual") are visual effects whose source is within the eye itself.
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Fovea centralis
The fovea centralis is a small, central pit composed of closely packed cones in the eye.
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Haidinger's brush
Haidinger's brush is an entoptic phenomenon first described by Austrian physicist Wilhelm Karl von Haidinger in 1844.
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Iceland
Iceland is a Nordic island country in the North Atlantic, with a population of and an area of, making it the most sparsely populated country in Europe.
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Isaac Newton
Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.
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Joseph Larmor
Sir Joseph Larmor FRS FRSE DCL LLD (11 July 1857 – 19 May 1942) was an Irish physicist and mathematician who made innovations in the understanding of electricity, dynamics, thermodynamics, and the electron theory of matter.
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Mexico
Mexico (México; Mēxihco), officially called the United Mexican States (Estados Unidos Mexicanos) is a federal republic in the southern portion of North America.
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Mindat.org
Mindat.org is a non-commercial online mineralogical database, claiming to be the largest mineral database and mineralogical reference website on the internet.
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Mining
Mining is the extraction of valuable minerals or other geological materials from the earth, usually from an orebody, lode, vein, seam, reef or placer deposit.
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New Mexico
New Mexico (Nuevo México, Yootó Hahoodzo) is a state in the Southwestern Region of the United States of America.
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Nicol prism
A Nicol prism is a type of polarizer, an optical device used to produce a polarized beam of light.
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Polarimetry
Polarimetry is the measurement and interpretation of the polarization of transverse waves, most notably electromagnetic waves, such as radio or light waves.
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Polarization (waves)
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
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Proceedings of the Royal Society
Proceedings of the Royal Society is the parent title of two scientific journals published by the Royal Society.
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Refractive index
In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how light propagates through that medium.
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Rhombus
In plane Euclidean geometry, a rhombus (plural rhombi or rhombuses) is a simple (non-self-intersecting) quadrilateral whose four sides all have the same length.
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Santa Eulalia, Chihuahua
Santa Eulalia is a town and seat of the municipality of Aquiles Serdán, in the northern Mexican state of Chihuahua.
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Sonoran Desert
The Sonoran Desert is a North American desert which covers large parts of the Southwestern United States in Arizona and California and of Northwestern Mexico in Sonora, Baja California, and Baja California Sur.
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Sunstone
Sunstone is a plagioclase feldspar, which when viewed from certain directions exhibits a spangled appearance.
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Sunstone (medieval)
The sunstone (sólarsteinn) is a type of mineral attested in several 13th–14th century written sources in Iceland, one of which describes its use to locate the sun in a completely overcast sky.
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Susanne Åkesson
Susanne Åkesson (born 1964) is a Swedish migration expert.
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Vikings
Vikings (Old English: wicing—"pirate", Danish and vikinger; Swedish and vikingar; víkingar, from Old Norse) were Norse seafarers, mainly speaking the Old Norse language, who raided and traded from their Northern European homelands across wide areas of northern, central, eastern and western Europe, during the late 8th to late 11th centuries.
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William Nicol (geologist)
Dr William Nicol FRSE FCS (18 April 1770 – 2 September 1851) was a Scottish geologist and physicist who invented the Nicol prism, the first device for obtaining plane-polarized light, in 1828.
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Double-refractory spar, Iceland Spar, Iceland crystal, Optical calcite.
References
[1] https://en.wikipedia.org/wiki/Iceland_spar
