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Deltaite

Colour:Gray to lavender (lilac) ...
Name:After the Greek letter "Delta" since the characteristic triangular cross-section of its "crystals" resemble that character.
A Mixture Of:Apatite-(CaOH), Crandallite


A mixture. A hydrous phosphate of calcium and aluminium. A constituent of Variscite nodules. Shown to be a mixture of Crandallite and Hydroxylapatite.
Originally reported from Fairfield, Oquirrh Mts, Utah Co., Utah, USA.

Classification of Deltaite

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Physical Properties of Deltaite

Colour:Gray to lavender (lilac) and light blue, canary-yellow; colourless in transmitted light.

Other Names for Deltaite

Other Languages:
German:Deltait
Spanish:Deltaita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Deltaite

Reference List:Larsen and Shannon (1930) American Mineralogist: 15: 321.

Larsen, E.S. (1942) American Mineralogist: 27: 288.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 837-838.

Articles/Blogs about Deltaite

Internet Links for Deltaite

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    Localities for Deltaite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    USA
     
    • Utah
      • Utah Co.
        • Oquirrh Mts
          • Fairfield
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    Mineral and/or Locality
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