Ag2S1. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all … Burtseva, M. V., et al. State which of … 12417-99-1. Below this temperature, any samples of 'argentite' convert to acanthite. Register to get answer. Relation to Mining. Common name: Argentite: Chemical name: Silver sulfide: Mineral name: Argentite: Formula: Ag2 S: Calculated formula: Ag2.00001 S: Title of publication: An in situ high-temperature scanning electron microscopy study of acanthite-argentite phase transformation in nanocrystalline silver sulfide powder. Acanthite is the only stable form in normal air temperature. Silver’s physical and chemical properties are intermediate between those of copper and gold. The crushed ore is concentrated by froth-floatation process. The various steps involved in this process are as follows. ... Argentite is a silver ore that contains 87% silver and 13% sulfur. Silver is extracted from the ore-argentite. It is located in Group 11 of the periodic table. Trisilver arsenide. argentite Ag2S chromite FeCr2O4 galena PbS scheelite CaWO4 (i) A binary compound is one that contains only two different elements. The 87 :13 ratio is a mass ratio (the question should state this). What is the empirical formula for argentite? Concentration. Chris S. Lv 6. Chemical Formula: Ag2S : Composition: Molecular Weight = 247.80 gm Silver 87.06 % Ag Sulfur 12.94 % S _____ 100.00 % : Empirical Formula: Ag 2 S : Environment: Low-temperature sulfide veins and in zones of secondary enrichment. Acanthite is a form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 C. Argentite is the stable form above that temperature. When it cools to ordinary temperatures it turns into its monoclinic polymorph, acanthite. Chemical Formula: Ag 2 S Locality: Freiberg, Schneeberg, Annaberg, Germany. Interestingly this ore is stable only at high temperature (around 179 degrees Celsius). empirical formula for argentite, or silver sulfide. Uses. ... especially acanthite and argentite, Ag2S. 1 decade ago. It contains 87% silver and forms blackish-gray coatings or masses with a metallic luster and a shining black STREAK. Arsenargentite (Ag3As) EINECS 235-652-7 Who doesn't love being #1? Streak sometimes has metallic shine. General Argentite Information : Chemical Formula: Ag2S : Composition: Molecular Weight = 247.80 gm Silver 87.06 % Ag Sulfur 12.94 % S _____ 100.00 % : Empirical Formula: Ag 2 S : Environment: Low temperature ore veins. Silver has been used for thousands of years for jewelry and decorative items of all types. IMA Status: Valid Species (Pre-IMA) 1855 : Locality: Freiberg, Schneeberg, Annaberg, Germany. It consists of about 87% silver. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure.The chemical symbol for Hydrogen is H. With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. Tiruchirapalli District ⓘ Trichy (Tiruchirappalli; Tiruchi) The mineral argentite has a chemical formula of Ag2S and is another name for silver sulfide. Argentite is the stable form above that temperature. In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. Answer. the number of atoms or ions of each type. Opaque and bright silvery white with a slightly pink tint, it readily tarnishes to either gray or black. Journal of the Geological Society of India 81.5 (2013): 655-664. In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. Silver arsenide. Colors: Mineral and streak are blackish to lead-gray. Likewise, it has been used for silverware. The chemical formulae of some metal compounds found in ores together with the names of the ores are shown below. Translate Argentite to الإنجليزية online and download now our free translation software to use at any time. G Of Argentite, A Silver Ore With The Chemical Formula Ag,S? In fact, the name of mineral is based on the Latin name of silver (Argentum). As argentite cools below that temperature its cubic form is distorted to the monoclinic form of acanthite. Density: 7.3 T he density is high because of the large silver content. Asbestos, any of several minerals that readily separate into long, flexible fibres. Hope this answers your question. What is the maximum mass of pure silver that could be extracted from 180. g of argentite, a silver ore with the chemical formula Ag,S? Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass. In mineralogy, argentite is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173°C, 177°C, or 179°C. Define argentite. Chemical Formula: Ag 2 S (Previously known as Argentite) 87.1% Silver by weight. Acanthite is a form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 °C (343 °F). Silver is found in lead, zinc, gold and copper ore deposits. Translate Argentite in English online and download now our free translator to use any time at no charge. Below 173 °C acanthite forms directly. Be sure your answer has a unit symbol, if necessary, and is rounded to 3 significant digits. ››More information on molar mass and molecular weight. 3.1 Molecular Weight and Formula Weight molecular weight (MW) of a substance is: the sum of the atomic weights of all the atoms in a molecule of the substance. Treatment of the ore with NaCN "Features of mineral and chemical composition of the Khamambettu Carbonatites, Tamil Nadu." The computed chemical formula of argentite is [Ag 1.9899 Sb 0.0269 Te 0.0125] S. The other common silver mineral in the Erdaokan Ag-Pb-Zn deposit is pyrargyrite Ag 3 [SbS 3 ], which shows light blue-grey color under reflected light (plane-polarized light), … A chemical formula includes the symbols of the elements in the compound and subscripts that indicate. Be the first to answer! 1. The most important ore mineral of silver is argentite (Ag2S, silver sulfide). The most important ore mineral of silver is argentite (Ag2S, silver sulfide). Silver is found in lead, zinc, gold and copper ore deposits. ... Argentite is the stable form above that temperature. Calcium carbonate forms as both Aragonite and Calcite, and these two minerals only differ in their crystallization.Calcite, the more common mineral, forms in trigonal crystals, whereas Aragonite forms orthorhombic crystals. IMA Status: Not Approved IMA : Locality: Mexico, Saxony, Great Britain and Kongsberg, Norway are notable localities. Silver is commonly extracted from ore by smelting or chemical leaching. 0 0. The name argentite is therefore used (confusingly) by some to describe pseudo-cubic pseudomorphs of silver sulphide (acanthite) where the original crystal form of the high-temperature cubic argentite has remained. Form of silver sulfide with the chemical formula Ag 2 S. It crystallizes in the monoclinic system and is the stable form of silver sulfide below 173 C. Argentite is the stable form above that temperature. Silver is an element with the chemical symbol Ag and atomic number 47. Silver is commonly extracted from ore by smelting or chemical leaching. What is the emperical formula of argentite? The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Silver is extracted from the argentite ore by the Mac-Arthur and Forrest’s cyanide process. Example: H 2 O, is 18.0 amu (2 x 1.0 amu +16.0 amu) =18 formula weight (FW) of a substance is: the sum of the atomic weights of all atoms in a formula unit of the compound, whether argentite synonyms, argentite pronunciation, argentite translation, English dictionary definition of argentite. General Pearceite Information : Chemical Formula: [Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7] Composition: Molecular Weight = 2,096.80 gm Copper 11.64 % Cu: Silver 62.50 % Ag: Antimony 4.82 % Sb: Arsenic 4.22 % As: Sulfur 16.82 % S: 100.00 % Uses. argentite n : a valuable silver ore consisting of silver sulfide (ag2s) Wikipedia English - The Free Encyclopedia. n. A valuable silver ore, Ag2S, with a lead-gray color and metallic luster that is often tarnished a dull black. As argentite cools below that temperature its cubic form is distorted to the monoclinic form of acanthite. argentite n : a valuable silver ore consisting of silver sulfide (ag2s) Wikipedia English - The Free Encyclopedia. Question: What Is The Maximum Mass Of Pure Silver That Could Be Extracted From 150. The metal silver is obtained from this mineral. Hardness: 2.0 to 2.5 Hardness varies somewhat depending on formation and impurities. Translation of Argentite in English. In mineralogy, argentite (from the Latin argentum, silver) is cubic silver sulfide (Ag 2 S), which can only exist at temperatures above 173 °C, 177 °C or 179 °C. Argentite belongs to the galena group. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Argentite (الإنجليزية to الإنجليزية translation). Source(s): college chemistry. argentite Chemical Group: sulfide Chemical Formula: Ag 2 S Color: blackish lead-gray Streak: Hardness: 2.5 Specific Gravity: 7.2 to 7.4 Cleavage: Crystal Forms: Isometric System; cubes and octahedrons Habits: dendritic earthy masses Mineral Associations: Identifying Characteristics: Argentite is silver sulfide mineral, is an important constituent of silver ore deposits. Let me try to explain just a little. The name 'argentite' refers to the high-temperature form of silver sulphide, only stable over 177°C. Asked by Wiki User. 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