• Thalénite-(Y): Mineral information, data and localities.

    www.mindat.org/min-3931.html Originally, the English spelling was thalenite. Modified to thalenite-(Y) in 1987 to denote the dominant rare earth element. Modified again in 2007 to add the diacritical mark. Type Locality:
  • Thalenite-(Y) Mineral Data

    webmineral.com/data/Thalenite-(Y).shtml Thalenite-(Y) Crystallography: Axial Ratios: a:b:c =0.9323:1:0.6573 : Cell Dimensions: a = 10.34, b = 11.09, c = 7.29, Z = 4; beta = 96.9° V = 829.89 Den(Calc)= 4.23
  • Wisconsin Geological & Natural History Survey » Thalenite-(Y)

    wgnhs.wisc.edu/minerals/thalentite-y Formula: Y 3 Si 3 O 10 (OH) Monoclinic Description: Thalenite-(Y) is a rare mineral found as pinkish, greenish or brownish grains in complex pegmatites. MARATHON COUNTY: Thalenite-(Y) has been documented as occurring as rare grains in pegmatites in the Koss Pit, a large “rotten granite” quarry in the SW sec. 2 T.27N. R.5E. (Buchholz et. al., 2001).
  • Thalénite-(Y) - Mindat.org - Mines, Minerals and More

    www.mindat.org/gm/3931 Light, pinkish brown thalenite-(Y) crystals in vuggy yttrofluorite. The biggest crystal is 0,75 mm. Stetind is one of two yttrofluorite locality where thalenite-(Y) can be found as free crystals in vuggy matrix. The specimen was collected by Tomas Husdal, and it is now in the micromount collection of OT. Ljostad.
  • thalenite-y-allanite-ce - thebeautyintherocks.com

    www.thebeautyintherocks.com/en/.../6033-thalenite-y-allanite-ce-306-ct.html Thalenite(Y) is an Yttrium silicate with formula Y3Si3O10(OH) and hardness of 6-6.5. A rare earth mineral with a yellowish color that fluoresce in creamy yellow under uv short wave. Is mixed with the rare Allanite, a Calcium,Cerium,Lanthanum,Yttrium,Aluminium,Iron silicate hydroxide with formula (Ca, Ce, La, Y)2(Al, Fe)3(SiO4)3(OH) and hardness ...
  • Thalenite-(Y) Mineral Specimen For Sale

    www.dakotamatrix.com/products/4405/thalenite-y Thalenite-(Y) - Red-pink Thalenite-Y matrix associated with several other rare REE minerals from the Kawamata area in Japan, possibly including Yttrialite-Y (bottle green pictured), Yttrotantalite-Y (thin black crystal), and Yttrogummite (black metaminct). . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • Rare-earth crystal chemistry of thalénite-(Y) from ...

    ruby.colorado.edu/~smyth/Research/Papers/17Thalenite.pdf over OH. ‘Fluorthalénite-(Y)’ was thus redefined as thalénite-(Y) by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (IMA 14-D, Williams, 2014) as the F-dominant parent compound. Thalénite-(Y) is part of the thortveitite group (thortveitite (Sc,Y) 2 Si 2 O 7, rowlandite-(Y) Y ...
  • Thal¶enite-(Y) Y3Si3O10(F OH)

    www.handbookofmineralogy.org/pdfs/thalenite-(Y).pdf Thal¶enite-(Y) Y3Si3O10(F;OH) °c 2001 Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic; commonly metamict. Point Group: 2=m: As tabular prismatic crystals, to 20 cm; commonly lamellar; as irregular segregations and embedded in °uorite.
  • Thalénite-(Y) from Golden Horn Batholith, Washington State ...

    nano-optics.colorado.edu/uploads/media/Evan_s_paper.pdf 1 1 Thalénite-(Y) from Golden Horn Batholith, Washington 2 State, and comparison with new analyses from the White 3 Cloud Pegmatite, Pikes Peak Batholith, Colorado, USA. 4 Markus B. Raschke1,*, Evan J.D. Anderson1, Jason Van Fosson2, Julien Allaz2, Joseph R. 5 Smyth2, Radek Škoda3, Philip M. Persson4, and Randy Becker5 6 1 Department of Physics, Department of Chemistry, and JILA, Un iversity ...
  • Fluorthalenite-(Y) Mineral Data

    webmineral.com/data/Fluorthalenite-(Y).shtml PE Fluorthalenite-(Y) = 63.76 barns/electron U=PE Fluorthalenite-(Y) x rElectron Density= 250.62 barns/cc. Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fluorthalenite-(Y) is Not Radioactive