• Gjerdingenite-Ca Mineral Data

    webmineral.com/data/Gjerdingenite-Ca.shtml Gjerdingenite-Ca . K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O Dana No: 60.01.03e.07 Strunz No: 09.CE.30c Locality: Notes:
  • Gjerdingenite-Ca Mineral Specimen For Sale

    www.dakotamatrix.com/products/9357/gjerdingenite-ca Gjerdingenite-Ca - A single crystal grain less than 0.5mm in a capsule. Author's study material identified by Dr. Igor Pekov. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • Gjerdingenite-Ca #7408 :: Systematic Mineralogy

    systematic-mineralogy.com/mineral.aspx Systematic Mineralogy is an online store for the rare, systematic minerals from all over the world
  • Gjerdingenite-Ca K2Ca(Nb3Ti)Si8O24(OH)O3·6H2O

    www.handbookofmineralogy.com/pdfs/gjerdingenite-Ca.pdf Gjerdingenite-Ca K 2 Ca(Nb 3 Ti)Si 8 O 24 (OH)O 3 ·6H 2 O Crystal Data: Monoclinic. Point Group: 2/m. Crystals, to 2 mm, are poorly formed and divergent, with indistinct terminations. They are elongate on [010], and their major forms are probably pinacoids {100} and {001}. As massive granular pseudomorphs of vuonnemite, to 1 cm. ...
  • Gjerdingenite-Na and Gjerdingenite-Ca, two new mineral ...

    www.researchgate.net/.../250273914_Gjerdingenite-Na_and_Gjerdingenite-Ca_two_... Gjerdingenite-Ca is white or pale brown to pinkish brown. Both minerals are brittle, with no observed cleavage and an uneven fracture. The Mohs hardness is 5. For gjerdingenite-Na, Dmeas = 2.71(1 ...
  • Crystal structures of gjerdingenite-Ca and gjerdingenite ...

    www.researchgate.net/.../243974021_Crystal_structures_of_gjerdingenite-Ca_and... Gjerdingenite-Ca is white or pale brown to pinkish brown. Both minerals are brittle, with no observed cleavage and an uneven fracture. The Mohs hardness is 5. For gjerdingenite-Na, Dmeas = 2.71(1 ...
  • Crystal structures of gjerdingenite-Ca and gjerdingenite ...

    link.springer.com/article/10.1134/S0012500807050035 3. Rastsvetaeva, R.K., Chukanov, N.V., and Pekov, I.V., Dokl. Chem., 1997, vol. 357, nos. 1–3, pp. 244–247 [Dokl. Akad. Nauk, 1997, vol. 357, no. 3, pp. 364–367 ...
  • IMA 2005-029 = gjerdingenite-Ca - Associazione Micro ...

    forum.amiminerals.it/viewtopic.php Gjerdingenite-Ca is white or pale brown to pinkish brown. Both minerals are brittle, with no observed cleavage and an uneven fracture. The Mohs hardness is 5. For gjerdingenite-Na, Dmeas = 2.71(1), Dcalc = 2.69; for gjerdingenite-Ca, Dmeas = 2.79(1), Dcalc = 2.775 g/cm3. The IR spectra are similar to those of other members of the kuzmenkoite ...
  • Gjerdingenite-Na: Mineral information, data and localities.

    www.mindat.org/min-28945.html Gjerdingenite-Na mineral data, information about Gjerdingenite-Na, its properties and worldwide locations.
  • Gjerdingenite-Fe Mineral Data

    webmineral.com/data/Gjerdingenite-Fe.shtml Gjerdingenite-Fe Ralstonite. Comments: SEM photomicrograph of gjerdingenite-Fe.The mineral is dusted with tiny crystals of two phases. At high magnification, one of them is seen to form cubes and is probably ralstonite.