• Meionite - Wikipedia

    en.wikipedia.org/wiki/Meionite Meionite is a tectosilicate belonging to the scapolite group with the formula Ca 4 Al 6 Si 6 O 24 CO 3.Some samples may also contain a sulfate group. It was first discovered in 1801 on Mt Somma, Vesuvius, Italy.It was named by Rene Just Haüy after μειωυ, the Greek word for less, in reference to the less acute pyramidal form as compared to Vesuvianite. ...
  • Meionite | Definition of Meionite by Merriam-Webster

    www.merriam-webster.com/dictionary/meionite Meionite definition is - a mineral Ca4Al6Si6O24(SO4,CO3,Cl2) consisting of an aluminosilicate of calcium with other anions (as sulfate, carbonate, and chloride) and being isomorphous with marialite.
  • Meionite definition and meaning | Collins English Dictionary

    www.collinsdictionary.com/dictionary/english/meionite Meionite definition: a scapolite , Ca4Al6 Si 6O24CO3, that is isomorphous with marialite | Meaning, pronunciation, translations and examples
  • Meionite: The scapolite mineral meionite information and ...

    www.minerals.net/mineral/meionite.aspx Meionite is the calcium-rich end member of the Scapolite series.It is very similar and often indistinguishable from Marialite, the other end member of the series. Intermediary forms of Meionite and Marialite are frequent, and these are classified simply as Scapolite. Of the two Scapolite minerals, Meionite is the more prevalent form.
  • Meionite: Mineral information, data and localities.

    www.mindat.org/min-2627.html Meionite: Rietveld Structure-Refinement 29Si MAS AND 27Al SATRAS NMR Spectroscopy, and Comments on the Marialite-Meionite Series. ( Canadian Mineralogist 38:1201-1213. Michigan
  • Meionite - ClassicGems.net

    www.classicgems.net/gem_meionite.htm Meionite is a calcium aluminum silicate carbonate mineral that is a member of the Scapolite Group of minerals that also includes Marialite. Scapolite is also considered to be the name of the series between Marialite, which is the sodium chloride rich member and Meionite, the calcium carbonate rich member.
  • Meionite Mineral Data

    webmineral.com/data/Meionite.shtml General Meionite Information : Chemical Formula: Ca4Al6Si6O24CO3 : Composition: Molecular Weight = 934.71 gm Calcium 17.15 % Ca 24.00 % CaO: Aluminum 17.32 % Al 32.73 % Al 2 O 3: Silicon 18.03 % Si 38.57 % SiO 2: Carbon 1.28 % C 4.71 % CO 2: Oxygen 46.22 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Meionite - Mindat.org

    www.mindat.org/gm/2627 Meionite, pure mass. 9 x 10 cm. Purple scapolite, as well as other colors from this quarry, prompted the first naming of nuttallite from this locality, after noted, if not irascible naturalist, Thomas Nuttall, who was then residing in the USA. This is the type locality for this variety.
  • Meionite - Saint-Hilaire

    www.saint-hilaire.ca/en/meionit.htm Meionite, a member of the scapolite group, is relatively rare at MSH. It fluoresces yellowish white under SW, and red under LW. PHYSICAL CHARACTERISTICS: Color varies from pale pink to brownish-red and purple. Luster is vitreous. Diaphaneity is transparent to opaque.

    www.fluomin.org/uk/fiche.php Mizzonite = variety of MEIONITE (intermediate with MARIALITE and MEIONITE but with predominantly the last one. Main Activator(s) and spectrum: Most Common Activator: S 2-Other activators: Fe 3+, Eu 2+, O-2, Peaks in the spectrum (nm): Eu 2+ repl. Ca 2+ : 440nm. Fe 3+ ...