• Davidite - Wikipedia

    en.wikipedia.org/wiki/Davidite Davidite is a rare earth oxide mineral with chemical end members La and Ce. It exists in two forms: Davidite-(La) (La,Ce,Ca)(Y,U)(Ti,Fe 3+) 20 O 38 discovered at Radium Hill mine, South Australia in 1906 and named by Douglas Mawson for Australian geologist Tannatt William Edgeworth David (1858-1934).
  • Davidite-(La): Mineral information, data and localities.

    www.mindat.org/min-1234.html Named in 1906 by Douglas Mawson in honor of Professor Tannat William Edegeworth David [January 28, 1858 St. Fagans (near Cardiff), Glamorganshire, Wales, United Kingdom - August 28, 1934 Sydney, New South Wales, Australia], studied in Cardiff and at the Royal School of Mines, before accepting a position as assistant geological surveyor in New South Wales, Australia.
  • Davidite-(La) Mineral Data - Mineralogy Database

    webmin.mindat.org/data/Davidite-(La).shtml Concentration of Davidite-(La) per GRapi unit = 3.82 (PPM) Davidite-(La) 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) 116.31 ± 29.08 grams of pure Davidite-(La) .
  • Davidite-(La) Mineral Data

    webmineral.com/data/Davidite-(La).shtml Dakota Matrix Minerals Google Search for Davidite-(La) Excalibur Mineral Corp. Google Search for Davidite-(La) Exceptional Minerals Google Search for Davidite-(La) John Betts Fine Minerals Search for Davidite-(La) McDougall Minerals Google Search for Davidite-(La) Mineral News Website Link Rock and Mineral Shows Google Search for Davidite-(La)
  • Davidite-(La) (La Ce)(Y U)(Ti Fe3+ OH) 20 38

    www.handbookofmineralogy.com/pdfs/davidite-(La).pdf Davidite-(La) (La,Ce)(Y,U)(Ti,Fe3+)20(O,OH)38 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal; commonly metamict. Point Group: 3or3. As complex but rough crystals, to 30 cm, flattened {0001}, cuboidal, or pyramidal; as irregular masses and grains.
  • Davidite-(La) R070698 - Raman Spectroscopy

    rruff.info/chem=Cr/display=default/R070698 REFERENCES for Davidite-(La) 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.
  • Davidite | Article about davidite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/davidite These are thumbnail-size loose crystals of the complex rare-earth oxide davidite (whether davidite-(Ce) or davidite-(La) or davidite-(Y) no one seems to know), hailing from what is said to be a new prospect in a rare earth-bearing pegmatite at Bektau-Ata, Karaganda, Kazakhstan.
  • Davidite: Mineral information, data and localities.

    www.mindat.org/min-1232.html Name used for davidites with unknown REE predominance. Davidite-(La), davidite-(Ce) and 'davidite-(Y)' are members of the crichtonite group.
  • Davidite-(La) R110047 - rruff.info

    rruff.info/tags=28/R110047 REFERENCES for Davidite-(La) 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.
  • Davidite-(Ce) Mineral Data

    webmineral.com/data/Davidite-(Ce).shtml Concentration of Davidite-(Ce) per GRapi unit = 3.84 (PPM) Davidite-(Ce) 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) 116.71 ± 29.18 grams of pure Davidite-(Ce) .