The amount of criteria in the current search has forced the use of a temporary URL. This link should not be saved or shared as part of long-term use.

IMA database

Search TermDefinition
itemSearches for datafields containing the word "item".
"item"Searches for datafields containing only the word "item" and nothing else.
!itemSearches for datafields that does not contain "item".
!"item"Searches for datafields that contain anything other than just the word "item".
""Searches for datafields that contain nothing. (empty)
!""Searches for datafields that contain anything at all. (not empty)
","
"!"		Searches for datafields that contain a comma character or an exclamation point character.
abc xyz
abc && xyz		Searches for datafields containing both "abc" and "xyz".
"abc xyz"Searches for datafields containing the phrase "abc xyz".
abc, xyz
abc OR xyz
abc || xyz		Searches for datafields containing either "abc", or "xyz", or both.
>123Searches for datafields containing a number greater than 123.
>=123Searches for datafields containing a number greater than or equal to 123.
<123Searches for datafields containing a number less than 123.
<=123Searches for datafields containing a number less than or equal to 123.
>123 <456Searches for datafields containing a number between 123 and 456.
  Search Ancestor:

    Fersmanite
    Fsn
    Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3
    Ca4(Na,Ca)4(Ti4+,Nb5+)4(Si2O7)2O8F3
    Ca Na Ti4+ Nb5+ Si O F
    Labuncov A (1929) La fersmanite - un nouveau minéral des Monts Chibines. Comptes Rendus (Doklady) de l'Académie des Sciences de l'URSS 1929, 297-301  [view file]
    Chemical formula redefined:
    Sokolova E, Hawthorne F C, Khomyakov A P (2002) The crystal chemistry of fersmanite, Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3. The Canadian Mineralogist 40, 1421-1428  [view file]
      HOM File
     
      File was made public on 2024-08-05
      Uploaded 2024-08-05 by Nate Stone
      71.5 Kb
    fersmanite.pdf
    Fleischer M, Mandarino J A, Chao G Y (1979) New mineral names. American Mineralogist 64, 652-659  [view file]
    Foshag W W (1931) New mineral names. American Mineralogist 16, 92-92  [view file]
    Labuncov A (1929) La fersmanite - un nouveau minéral des Monts Chibines. Comptes Rendus (Doklady) de l'Académie des Sciences de l'URSS 1929, 297-301  [view file]
    Machin M P (1977) Fersmanite, (Ca,Na)4(Ti,Nb)2Si2O11(F,OH)2: a restudy. The Canadian Mineralogist 15, 87-91  [view file]
    Sokolova E, Hawthorne F C, Khomyakov A P (2002) The crystal chemistry of fersmanite, Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3. The Canadian Mineralogist 40, 1421-1428  [view file]