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3 edition of Concentration of Pollucite Ores. found in the catalog.

Concentration of Pollucite Ores.

United States. Bureau of Mines.

Concentration of Pollucite Ores.

by United States. Bureau of Mines.

  • 242 Want to read
  • 18 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesReport of investigations (United States. Bureau of Mines) -- 5940
ContributionsDean, K.C., Nichols, I.L.
ID Numbers
Open LibraryOL21743226M

The highly elevated concentration of apatite as gangue mineral contributes to the high phosphorus content of these ores, responsible for the final close-down of production in . Inner zones of extremely coarse grain size are the host to giant K-feldspar, Li aluminosilicates (individuals up to 20 m in size), quartz, and pollucite. In contrast, aplitic zones of albite and quartz and lepidolite units, both of which host ores of Nb-T a and Sn, commonly are very fine grained (a few mm; see Norton, , for a generalized.

In this work, we investigated the effect of intercepted PAR (photosynthetically active radiation) during seed filling on the weight of individual seeds and oil concentration in two hybrids, one with low and one with high oil concentration experiments were carried out in three different years under good water and nutrient conditions. Handbook of Flotation Reagents: Chemistry, Theory and Practice is a condensed form of the fundamental knowledge of chemical reagents commonly used in flotation and is addressed to the researchers and plant metallurgists who employ these reagents. This book consists of three distinct parts: part 1 provides detailed description of the chemistry used in mineral processing .

The crystallization of rare-element minerals, such as beryl, spodumene, tantalite, and pollucite can also be reconciled to the low-temperature crystallization of melts. Pegmatite-hosted ores are entirely endogenic, and many pegmatites exhibit little or no exogenic wall-rock alteration. TABLE OF CONTENTS Page Executive Summary ES-1 Introduction Statutory and Regulatory Background Purpose of this Report Preparation of the Processing Waste Summaries 1. 4 Summary and Conclusions I.A.I Nonmetals Not Recommended for Further Study Nonmetals Recommended for Further Study Metals Not .


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Concentration of Pollucite Ores by United States. Bureau of Mines. Download PDF EPUB FB2

Concentration of pollucite ores (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Karl Clyde Dean; I L Nichols; United States.

Bureau of Mines. Pollucite is a zeolite mineral with the formula (Cs,Na) 2 Al 2 Si 4 O 12 2H 2 O with iron, calcium, rubidium and potassium as common substituting elements. It is important as a significant ore of caesium and sometimes forms a solid solution series with crystallizes in the isometric - hexoctahedral crystal system as colorless, white, gray, or rarely pink and blue Crystal class: Hexoctahedral (m3m), H-M symbol:.

Handbook of Flotation Reagents: Chemistry, Theory and Practice is a condensed form of the fundamental knowledge of chemical reagents commonly used in flotation and is addressed to the researchers and plant metallurgists who employ these reagents. This book consists of three distinct parts: part 1 provides detailed description of the chemistry.

Pollucite belongs to the zeolite mineral group. It forms a solid solution series, as the cesium analogue, with analcime, the sodium analogue. Discovered in in Elba, Italy, this mineral was named after Pollux, the twin brother of Castor in Classical mythology.

Pollucite From Lithia, Massachusetts (American Mineralogist ); "Western Massachusetts Mineral Localites" by Plante, A.R., Valley Concentration of Pollucite Ores. book Press, Worcester Co. Leominster ⓘ Long Hill; Billings, Spodumene Deposits in the Leominster-Sterling Area; Richmond and Gonyer, On Pollucite (AmMin ) North Carolina; Mitchell Co.

Concentration of pollucite ores Book, WorldCat org. Note: Citations are based on reference standards However, formatting rules can vary widely between applications and fields of interest or study The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied.

READ MORE. @article{osti_, title = {Development of a Chemical Process for Production of Cesium Chloride from a Canadian Pollucite Ore}, author = {Parsons, H. and Vezina, J. and Simard, R. and Smith, H.

W.}, abstractNote = {A chemical process was developed for the production of a high-purity cesium chioride from a pollucite (cesium aluminum silicate) ore from the Manitoba. Pollucite is named after Pollux, twin brother of Castor in classical mythology, in allusion to its ultimate association with the mineral "castorite", now renamed as petalite.

Pollucite forms transparent colourless cubes, dodecahedra or trapezohedra and it may also occur as fine-grained masses. Pollucite is a rare gem material. Pollucite definition is - a colorless transparent mineral (Cs,Na)2Al2Si4OH2O of the zeolite family consisting of hydrous cesium aluminum silicate and.

A review is presented of methods used in the extraction of cesium and rubidium from lepidolites, pollucites, carnallites, and low-concentration phosphates and silicates. The production and electrochemical properties of cesium and rubidium are reviewed.

(B.O.G.) Other Information: Orig. Receipt Date. Define pollucite. pollucite synonyms, pollucite pronunciation, pollucite translation, English dictionary definition of pollucite.

n a colourless rare mineral consisting of a hydrated caesium aluminium silicate, often containing some rubidium. ri / concentration of pollucite ores, pb, $ 5 ri / solvent extraction of beryllium from sulfate solutions by alkylphosphoric acid, pb, $ 7 ri / computing ore reserves by the polygonal method using a medium-size digital computer, pb, $ 15 ri / a study of copper reverberatory slags from white pine, michigan, pb, $ The natural source yielding the greatest quantity of caesium is the rare mineral pollucite.

Pollucite ores, found in Maine and South Dakota, USA contain about 13% Cs 2 O. Stable caesium is present to a lesser extent in soil. There are 11 major radioactive isotopes of caesium but only 3 have relatively long half-lives: Cs, Cs and Cs.

This study investigated the concentration-response relation between air pollution (nitrogen dioxide and particulate matter pollutants PM(10) and PM()) and cause-specific mortality. The population included all inhabitants of Oslo, Norway, aged years on January 1, (n = ,) with follow-up of deaths from to Cited by: Sổ tay thuốc tuyển do tác giả Srdjan M.

Bulatovic biên soạn được chia thành 3 tập với 3 nội dung thuốc tuyển cho các khoáng vật thuộc các nhóm khác nhau, trong cuốn 3 này tác giải biên soạn hóa học, lý thuyết, thực hành cơ chế về thuốc tuyển với nhóm khoáng. pollucite[pə′lü‚sīt] (mineralogy) (Cs,Na)2 Al2Si4O12H2O A colorless, transparent zoolite mineral composed of hydrous silicate of cesium, sodium, and aluminum, occurring massive or in cubes; used as a gemstone.

Also known as pollux. Pollucite a mineral, a hydrous aluminosilicate of the composition (Cs, Na) [AlSi2O6]nH2O. Pollucite contains   The unit cell formula of pollucite is Cs 16 Al 16 Si 32 O 96 and AlCl 3 was added until the concentration ratio of [Al] to [Si] became 1/2 in the synthetic by: largest deposit of pollucite, which is the principal ore of cesium, is in a zoned pegmatite at Bernic Lake, Canada, and accounts for more than two-thirds of world reserves.

Other reserves are in Namibia and Zambia, although numerous low-grade occurrences are known to exist elsewhere. There are cesium occurrences in pegmatite in Afghanistan. Discover Prime Book Box for Kids Story time just got better with Prime Book Box, a subscription that delivers editorially hand-picked children’s books every 1, Author: Wells, H.

A pegmatite is an igneous rock, formed underground, with interlocking crystals usually larger than cm in size (1 in).Most pegmatites are found in sheets of rock (dikes and veins) near large masses of igneous rocks called word pegmatite derives from Homeric Greek, πήγνυμι (pegnymi), which means “to bind together”, in reference to the intertwined crystals of.

pollucite: 1 n a rare mineral that is an important source of cesium Type of: mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition.In the article the features of the formation and metallogeny of the geological structures of Great Altai (Rudny Altai, Kalba-Narym, Western Kalba and Jarma-Saur) which are included into the system of the Central Asian mobile belt are considered.

The characteristic of the main types of rare metal minefields of the Kalba-Narymsky belt genetically connected with the Perm Author: Boris Dyachkov, Natalya Zimanovskaya, Indira Mataibayeva.

Cesium (Cs) is chemically similar to potassium (K). However, although K is an essential element, Cs is toxic to plants. Two contrasting hypotheses to explain Cs toxicity have been proposed: (1) extracellular Cs+ prevents K+ uptake and, thereby, induces K starvation; and (2) intracellular Cs+ interacts with vital K+-binding sites in proteins, either competitively or .