• Tundrite-(Nd): Mineral information, data and localities.

    www.mindat.org/min-4049.html Note that the mineral was accepted automaticaly, without detailed investigation and description of type material. Only a single Nd-dominant analysis was published. In other words, Tundrite-(Nd) is a very doubtful mineral, which nobody saw and nobody have. Consequently nobody was able to repeat results of its chemical analysis.
  • Tundrite-(Nd) Mineral Data

    webmineral.com/data/Tundrite-%28Nd%29.shtml Concentration of Tundrite-(Nd) per GRapi unit = 22.26 (PPM) Tundrite-(Nd) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 677.10 ±169.27 grams of pure Tundrite-(Nd) .
  • Tundrite-(Ce): Mineral information, data and localities.

    www.mindat.org/min-4048.html Originally called titanorhabdophane. Named tundrite after the Lovozero tundra, by E. I. Semenov in 1963. The suffix was added later, following the Levinson rule, to indicate the dominant rare earth element ...
  • Tundrite Group: Mineral information, data and localities.

    www.mindat.org/min-34945.html This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
  • Tundrite-(Nd) Na3(Nd La)4(Ti Nb)2(SiO4 2(CO3O4(OH) 2H2O

    www.handbookofmineralogy.org/pdfs/tundrite-(Nd).pdf relative proportions of RE = La 24%, Ce 7.5%, Pr 12%, Nd 45%, Sm 6.6%, Eu 0.1%, Gd 4%, Tb 0.3%, Dy 0.5%. Occurrence: In pegmatite veins associated with layered nepheline syenite. Association: Microcline, arfvedsonite. Distribution: In the Il¶³maussaq intrusion, at Kringlerne, Kangerdluarssuk Plateau, southern Greenland.
  • Tundrite: Mineral information, data and localities.

    www.mindat.org/min-9357.html Tundrite-(Ce), Tundrite-(Nd) This page provides mineralogical data about Tundrite. Pronounciation of TundriteHide Pronounciation: Play Recorded by ... Tundrite from the Ilímaussaq alkaline intrusion, South Greenland. Neues Jahrbuch für Minerlogie, Monatshefte Jg. 1982, 481-494.
  • Tundrite - Mindat.org

    www.mindat.org/gm/9357 Spherulite of extremely fresh Tundrite-(Ce) with pearly lustre. Associating minerals are white Albite and dark-green Aegirine. FOV is ~12x10 mm. Collected by Zoya V. Shlyukova in 60th.

    rruff-2.geo.arizona.edu/uploads/CM46_413.pdf another occurrence of tundrite-group minerals from the Ilfmaussaq complex, South Greenland. Cerium-dominant members, previously named "tundrite", were renamed tundrite-(Ce), and Nd-dominant compositions were described as the new mineral species tundrite-(Nd). The authors recognized the presence of major amounts of sodium by chemical analysis ...
  • Tundrite-(Ce) R060837 - rruff.info

    rruff.info/chem=Ti/display=default/R060837 REFERENCES for Tundrite-(Ce) American Mineralogist Crystal Structure Database Record: [view record] Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America.
  • Classification of non-silicate minerals - Wikipedia

    en.wikipedia.org/wiki/Classification_of_non-silicate_minerals This list gives an overview of the classification of non-silicate minerals and includes mostly IMA recognized minerals and its groupings. This list complements the alphabetical list on List of minerals (complete) and List of minerals.Rocks, ores, mineral mixtures, not IMA approved minerals, not named minerals are mostly excluded.