 | | Journal (article/letter/editorial) | | guyanaite in a Cr-omphacitite xenolith from Moses Rock diatreme, Utahā Daniel J. Schulze1,*, Roberta L. Flemming2...in a xenolith of Cr-rich omphacitite from the Moses Rock diatreme in the Navajo Volcanic Field of the...kosmochlor-rich omphacite, zincian chromite, eskolaite, and carmichaelite. The assemblage is interpreted...xenolith, the rock was undergoing prograde metamorphism, with guyanaite dehydrating to eskolaite plus water...polymorphs of CrOOH (bracewellite and grimaldiite), eskolaite (Cr2O3), mcconnellite (CrOOCu), chromian gahnite |  | Dymshits, Anna M., Dorogokupets, Peter I., Sharygin, Igor S., Litasov, Konstantin D., Shatskiy, Anton, Rashchenko, Sergey V., Ohtani, Eiji, Suzuki, Akio, Higo, Yuji (2016) Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures. Physics and Chemistry of Minerals, 43 (6) 447-458 doi:10.1007/s00269-016-0808-7 | Journal (article/letter/editorial) | | Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures Anna M. Dymshits1...X-ray diffraction study of chromium oxide Cr2O3 (eskolaite) with the corundumtype structure has been carried...boundary of knorringite formation from enstatite and eskolaite. The Clapeyron slope (with dP/dT = ā0.014 GPa/K)...experimental data. Keywords Chromium oxide Ā· Eskolaite Ā· Thermal equation of state Ā· Experiment Ā· High...Besides, almost pure Cr2O3, known as mineral eskolaite (Esk), was found in a grospydite xenolith from |  | | Journal (article/letter/editorial) | | inclusions in pyrope crystals from Garnet Ridge, Arizona, USA: implications for processes in the upper mantle ...Sciences, University of Michigan, Ann Arbor, MI 48109, USA; Fax: 734-763-4690; E-mail: liping@umich.edu Editorial...minerals (Table 4) are very similar to those from Moses Rock (McGetchin et al. 1970) and Buell Park (Aoki...hematite (Table 9). They also contain 0.1Ā±1.4 mol% eskolaite, which is related to the Cr concentration of the...Total 99.76 99.48 Geikielite Ilmenite Hematite Eskolaite a b 0.484 0.455 0.043 0.014 0.472 0.485 0.029 |  | Kissin, Aleksander, Gottman, Irina, Sustavov, Sergei, Murzin, Valery, Kiseleva, Daria (2020) The First Find of Cr2O3 Eskolaite Associated with Marble-Hosted Ruby in the Southern Urals and the Problem of Al and Cr Sources. Minerals, 10 (2) 101 doi:10.3390/min10020101 | Journal (article/letter/editorial) | | minerals Article The First Find of Cr2O3 Eskolaite Associated with Marble-Hosted Ruby in the Southern... Abstract: The results of the study of eskolaite associated with marble-hosted ruby found for the...Here, eskolaite was located on the surface and near-surface regions of ruby crystals. Eskolaite diagnostics...(URS-55). The morphology and chemical composition of eskolaite and associated ruby was studied using a JSM-6390LV...Cameca SX 100 electron probe microanalyzer. The eskolaite crystals were hexagonal and tabular, up to 0.2 |  | | Book | | Murzin and Daria Kiseleva The First Find of Cr2 O3 Eskolaite Associated with Marble-Hosted Ruby in the Southern...inclusion signatures in Mogok tract ruby and allied rock suites. These low LREE/higher REE proļ¬les reported...The Introduction indicates that changes in host rock chemistry and physical conditions during formation...Bureau of Mines, mineral dealers and miners from MT, USA, sapphire ļ¬elds. The sample sets included rubies... but also from more limited sources in Montana, USA. Transitional pink sapphires from Sri Lanka and Montana |  | | Book | | Data Hall, Anthony, 1938ā Igneous petrology. 1. Rock, Igneous I. Title 552'.1 QE461 ISBN D-SflE-3D17M-E...Title QE461.H256 1987 552'.1 ISBN 0-470-20781-7 (USA only) 86-19079 Set in 10/12pt Linotron Times Produced...confined to fracture zones and may contain each of the rock types described above, i.e. basalts, metagabbros...the oceanic crust or of Iceland. A selection of rock assemĀ¬ blages is given opposite: 7 Igneous activity...mounts constitute from 5 to 25% of the volcanic rock in the oceanic crust. ISLAND ARCS AND CONTINENTAL |  | | Book | | science teachers at all levels, for collectors and "rock hounds," and for all who are curious about the minerals...spinel structure; quartz syenite, the name of a rock different from quartzbearing syenite. Although...end with -ite, it should be appreciated that many rock and fossil terms also have this suffix (see The...Publishing Scripta Company, Washington, DC 20005 USA. Acta Chemica Scandinavica, 1947-, Munksgaard, Noerre...Ohio 43214, USA. American Chemical Society, Journal, 1879-, Washington, DC 20036, USA. American Crystallographic |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | England. Sharon Cisneros: Minerological Research Co., San Jose, California. Andrew M. Clark: Dept. of Mineralogy...Mineralogy, Natural History Museum, London, England. Rock H. Currier: Jewel Tunnel Imports, Baldwin Park,...lunar rocks so far examined are very similar to some rock types known on earth. The crust of the earth consists...glaciers and ice caps may be considered a monomineralic rock. Nearly 99% of the composition of these rocks consists...Isand South Carolina South Dakota Tennessee Texas Utah Vermont Virginia AL AK AZ AR CA CO CT DE FL GA |  | | Book | | attention has priĀ marily been directed at the rock composition and the relationships between the coexisting...covered, characterized as a new type of metamorphic rock (Bobrievich et al., 1960). Along with the xenoliths... alĀ most indistinguishable on the basis of the rock-forming minerals. The first type may include the... the difference in the amount of 0 ^ 0 3 in the rock, garnet, and pyroxene from various porĀ tions of...wide flucĀ tuations in the amounts of the principal rock-forming minerals in these xenoliths. Thus, in the |  | | Book | | cracking and relaxation of stress in deep crystalline rock of earth crust as result of physico-chemical influence...Microdiamonds and Indicator Minerals from a Talc Schist Host Rock, French Guiana. 37 29 35 The features of the... Title Page No's Local depressions in Country Rock of Kimberlites as a New Exploration Criteria (by...Diatremes in the Southern Green River Basin, Wyoming, USA 320 U-Pb Mantle Zircon Ages for Kimberlites from...Peridotite xenoliths from Porcupine Dome, Montana, USA: Depleted subcontinental lithosphere samples in an |
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