• Parakeldyshite Mineral Data

    webmineral.com/data/Parakeldyshite.shtml General Parakeldyshite Information : Chemical Formula: Na2ZrSi2O7 : Composition: Molecular Weight = 305.37 gm Sodium 15.06 % Na 20.30 % Na 2 O: Zirconium 29.87 % Zr 40.35 % ZrO 2: Silicon 18.39 % Si 39.35 % SiO 2: Oxygen 36.68 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Parakeldyshite: Mineral information, data and localities.

    www.mindat.org/min-3094.html Parakeldyshite: Pekov I V, Zubkova N V, Pushcharovsky D Y, Kolitsch U, Tillmanns E (2007) Refined crystal structure of parakeldyshite and genetic crystal chemistry of zirconium minerals with [Si2O7] diorthogroups Crystallography Reports 52 1066-1071: 2007: Alluaiv Mountain (Lovozero), Kola Peninsula, Russia: 0: 293: 0014056: Parakeldyshite
  • What does parakeldyshite mean? - definitions

    www.definitions.net/definition/parakeldyshite Definition of parakeldyshite in the Definitions.net dictionary. Meaning of parakeldyshite. What does parakeldyshite mean? Information and translations of parakeldyshite in the most comprehensive dictionary definitions resource on the web.
  • Parakeldyshite - Handbook of Mineralogy

    www.handbookofmineralogy.com/pdfs/parakeldyshite.pdf Parakeldyshite Na2ZrSi2O7 °c 20 1M i nera lD t Pub sh g, v o . Crystal Data: Triclinic. Point Group: 1: As cleavable masses, to several cm; three cleavages result in a pseudorhombohedral aspect. Twinning: Polysynthetic on f100g, with several other sets intersecting. Physical Properties: Cleavage: Perfect on f001g; very good on f110g and f110g ...
  • Refined crystal structure of parakeldyshite and the ...

    www.researchgate.net/.../244653612_Refined_crystal_structure_of_parakeldyshit... Crystal structure of parakeldyshite is based on a framework formed by [ of these positions is fully occupied by Na, the second Na atom is characterized by partial occupancy factor and two ...
  • AMCSD Search Results - rruff.geo.arizona.edu

    rruff.geo.arizona.edu/AMS/minerals/Parakeldyshite Parakeldyshite: Pekov I V, Zubkova N V, Pushcharovsky D Y, Kolitsch U, Tillmanns E : Crystallography Reports 52 (2007) 1066-1071: Refined crystal structure of parakeldyshite and genetic crystal: chemistry of zirconium minerals with [Si2O7] diorthogroups: Locality: Alluaiv Mountain (Lovozero), Kola Peninsula, Russia _database_code_amcsd 0018674
  • Parakeldyshite | Na2ZrSi2O7 Bratthagen, Lågendalen ...

    www.flickr.com/photos/dnishiohamane/26584115843 Na2ZrSi2O7 Bratthagen, Lågendalen, Vestfold, Norway FOV = 1cm
  • Parakeldishite FR - saint-hilaire.ca

    www.saint-hilaire.ca/fr/parakeld.html La parakeldyshite est rare au mont Saint-Hilaire. Elle est fluorescente en blanc orangé sous courte longueur d’onde. CARACTÉRISTIQUES PHYSIQUES: Couleur – incolore. Éclat – vitreux. Transparence – transparent. Système cristallin – orthorhombique, 1. Morphologie – grains irréguliers et masses cristallines de 6 mm de diamètre.
  • PARAKELDYSHITE FROM NORWAY

    rruff-2.geo.arizona.edu/uploads/CM15_102.pdf parakeldyshite s'altdre trBs facilement en rme phase secondaire appauvrie etr Na+ et enrichie en HsO+. I*s donndes du spectre il I'infrarouge et de I'ATD sont fournies. (Iraduit par la R6daction) PARAKELDYSHITE FROM NORWAY GUNNAR RAADE AND MICAEL H. MLADECK Institutt for geologi, Universitetet i OsIo, P.O. Box 1047, Blindern, OsIo 3, Norway ...
  • What does PARAKLESIS mean?

    www.definitions.net/definition/PARAKLESIS Definition of PARAKLESIS in the Definitions.net dictionary. Meaning of PARAKLESIS. What does PARAKLESIS mean? Information and translations of PARAKLESIS in the most comprehensive dictionary definitions resource on the web.