• Efremovite - Wikipedia

    en.wikipedia.org/wiki/Efremovite Efremovite is a rare ammonium sulfate mineral with the chemical formula: (NH 4) 2 Mg 2 (SO 4) 3.It is a white to gray cubic mineral. This anhydrous sulfate occurs as constituent in sulfate crusts of burning coal dumps. It is hygroscopic and when exposed to humid air it slowly converts to the hydrate form, boussingaultite.. It was first described in 1989 for an occurrence in the Chelyabinsk ...
  • Efremovite Mineral Data

    webmineral.com/data/Efremovite.shtml General Efremovite Information : Chemical Formula: (NH4)2Mg2(SO4)3 : Composition: Molecular Weight = 372.88 gm Magnesium 13.04 % Mg 21.62 % MgO: Hydrogen 2.16 % H - % Calc as (NH 4) 2 O: Sulfur 25.80 % S 64.42 % SO 3: Nitrogen 7.51 % N 13.97 % (NH 4) 2 O: Oxygen 51.49 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Efremovite: Mineral information, data and localities.

    www.mindat.org/min-1355.html Ammonium sulfate minerals from Mikasa, Hokkaido, Japan: boussingaultite, godovikovite, efremovite and tschermigite. Journal of mineralogical and petrological sciences, 106(3), 158-163. Poland
  • Efremovite (NH4 2Mg2(SO4 3 - Handbook of Mineralogy

    www.handbookofmineralogy.org/pdfs/efremovite Efremovite (NH4)2Mg2(SO4)3 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic. Point Group: 23. As equant grains, to 0.015 mm; typically as crusts.
  • Efremovite dictionary definition | efremovite defined

    www.yourdictionary.com/efremovite efremovite definition: Noun 1. (mineralogy) An isometric-tetartoidal mineral containing hydrogen, magnesium, nitrogen, oxygen, and sulfur.Origin -ite...
  • Efremovite - Assignment Point

    www.assignmentpoint.com/science/geographic-minerals/efremovite.html Efremovite is a rare ammonium sulfate mineral with the chemical formula: (NH 4) 2 Mg 2 (SO 4) 3.It is an isometric-tetartoidal mineral containing hydrogen, magnesium, nitrogen, oxygen, and sulfur. It was first described in 1989 for an occurrence in the Chelyabinsk coal basin, Southern Urals, Russia.
  • What does efremovite mean? - Definitions.net

    www.definitions.net/definition/efremovite Definition of efremovite in the Definitions.net dictionary. Meaning of efremovite. What does efremovite mean? Information and translations of efremovite in the most comprehensive dictionary definitions resource on the web.
  • Efremovite Mineral Specimen For Sale - Dakota Matrix Minerals

    www.dakotamatrix.com/products/14307/efremovite Efremovite - White Efremovite which for the most part has hydrated toBoussingaultite. It is a product of burning coal beds. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • efremovite - Wiktionary

    en.wiktionary.org/wiki/efremovite efremovite An isometric-tetartoidal mineral containing hydrogen, magnesium, nitrogen, oxygen, and sulfur. References “Efremovite ...
  • Talk:Efremovite - Wikipedia

    en.wikipedia.org/wiki/Talk:Efremovite Efremovite is part of WikiProject Rocks and minerals, an attempt at creating a standardized, informative, comprehensive and easy-to-use rocks and minerals resource.If you would like to participate, you can choose to edit this article, or visit the project page for more information. Stub This article has been rated as Stub-Class on the project's quality scale.