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24 relations: Canada, Centre Hastings, Crystal system, Fergana Valley, France, Hautes-Alpes, John Playfair, Kyrgyzstan, Lander County, Nevada, List of minerals (complete), Lustre (mineralogy), Michael Fleischer (mineralogist), Mohs scale of mineral hardness, Monoclinic crystal system, Nevada, Ontario, Orpierre, Osh Region, Pleochroism, Specific gravity, Sulfide, Sulfosalt minerals, Type locality (geology), United States.
Canada
Canada is a country located in the northern part of North America.
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Centre Hastings
The Municipality of Centre Hastings is a township in Eastern Ontario, Canada, in Hastings County.
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Crystal system
In crystallography, the terms crystal system, crystal family and lattice system each refer to one of several classes of space groups, lattices, point groups or crystals.
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Fergana Valley
The Fergana Valley (alternatively Farghana or Ferghana; Farg‘ona vodiysi, Фарғона водийси, فەرغانە ۉادىيسى; Фергана өрөөнү, Ferğana öröönü, فەرعانا ۅرۅۅنۉ; Водии Фарғона, Vodiyi Farğona / Vodiji Farƣona; Ферганская долина, Ferganskaja dolina; وادی فرغانه., Vâdiye Ferqâna; Фыйрганна Пенды, Xiao'erjing: فِ عَر قًا نَ پٌ دِ) is a valley in Central Asia spread across eastern Uzbekistan, southern Kyrgyzstan and northern Tajikistan.
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France
France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.
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Hautes-Alpes
Hautes-Alpes (Auts Aups) is a department in southeastern France named after the Alps mountain range.
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John Playfair
Rev Prof John Playfair FRSE, FRS (10 March 1748 – 20 July 1819) was a Church of Scotland minister, remembered as a scientist and mathematician, and a professor of natural philosophy at the University of Edinburgh.
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Kyrgyzstan
The Kyrgyz Republic (Kyrgyz Respublikasy; r; Қирғиз Республикаси.), or simply Kyrgyzstan, and also known as Kirghizia (Kyrgyzstan; r), is a sovereign state in Central Asia.
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Lander County, Nevada
Lander County is a county in the U.S. state of Nevada.
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List of minerals (complete)
Mineralogy is an active science in which minerals are discovered or recognised on a regular basis.
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Lustre (mineralogy)
Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral.
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Michael Fleischer (mineralogist)
Michael Fleischer (27 February 1908 – 5 September 1998) was an American chemist and mineralogist.
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Mohs scale of mineral hardness
The Mohs scale of mineral hardness is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.
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Monoclinic crystal system
In crystallography, the monoclinic crystal system is one of the 7 crystal systems.
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Nevada
Nevada (see pronunciations) is a state in the Western, Mountain West, and Southwestern regions of the United States of America.
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Ontario
Ontario is one of the 13 provinces and territories of Canada and is located in east-central Canada.
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Orpierre
Orpierre is a commune in the Hautes-Alpes department in southeastern France.
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Osh Region
Osh Region (Ош облусу, Oş oblusu/Osh oblusu, وش وبلاستى; Ошская область, Oshskaya oblast’/Ošskaja oblastj) is a region (oblast) of Kyrgyzstan. Its capital is Osh. It is bounded by (clockwise) Jalal-Abad Region, Naryn Region, Xinjiang, China, Tajikistan, Batken Region, and Uzbekistan.
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Pleochroism
Pleochroism (from Greek πλέων, pléōn, "more" and χρῶμα, khrôma, "color") is an optical phenomenon in which a substance has different colors when observed at different angles, especially with polarized light.
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Specific gravity
Specific gravity is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.
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Sulfide
Sulfide (systematically named sulfanediide, and sulfide(2−)) (British English sulphide) is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions.
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Sulfosalt minerals
Sulfosalt minerals are those complex sulfide minerals with the general formula: AmBnSp; where A represents a metal such as copper, lead, silver, iron, and rarely mercury, zinc, vanadium; B usually represents semi-metal such as arsenic, antimony, bismuth, and rarely germanium, or metals like tin and rarely vanadium; and S is sulfur or rarely selenium or/and tellurium.
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Type locality (geology)
Type locality, also called type area, type site, or type section, is the locality where a particular rock type, stratigraphic unit or mineral species is first identified.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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References
[1] https://en.wikipedia.org/wiki/Playfairite
