Gagarinite-(Y) Mineral Data

Gagarinite-(Y) Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Gagarinite-(Y) Information

Help on Chemical Formula: Chemical Formula: NaCaY(F,Cl)6
Help on Composition: Composition: Molecular Weight = 290.65 gm
   Sodium     7.91 %  Na   10.66 % Na2O
   Calcium   13.79 %  Ca   19.29 % CaO
   Yttrium   30.59 %  Y    38.85 % Y2O3
   Chlorine  18.30 %  Cl   18.30 % Cl
               -   %   Cl   -4.13 % -O=Cl2   
   Fluorine  29.41 %  F    29.41 % F
               -   %   F   -12.39 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCaYF4.5Cl1.5
Help on Environment: Environment: Found in alkaline rocks.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Kazakhstan Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Yuri Alekseevich Gagarin (1934-1968), the first cosmonaut and the first person to travel in space.
Help on Name Pronunciation: Name Pronunciation: Gagarinite-(Y) + Pronunciation Say GAGARINITE-(Y)
Help on Synonym: Synonym: ICSD 39845
  Nakalifite
  PDF 15-69
 

Gagarinite-(Y) Image

Click Here for Larger Gagarinite-(Y) Image in a New Browser Window Images:
Click Here for Larger Gagarinite-(Y) Image

Gagarinite-(Y)

Comments: Brownish to gray crystals of gagarinite-(Y) in matrix.
Location: Gjerdingen, Jevnaker, Oppland, Norway. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Gagarinite-(Y) Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.58931
Help on Cell Dimensions: Cell Dimensions: a = 5.99, c = 3.53, Z = 1; V = 109.69 Den(Calc)= 4.40
Help on Crystal System: Crystal System: Trigonal - RhombohedralH-M Symbol ( 3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.72(1), 2.09(0.9), 2.92(0.5),3(0.5), 1.13(0.3), 5.24(0.3), 1.96(0.2), 2.28(0.2),
Click Here for Large Gagarinite-(Y) Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Hughes J M , Drexler J W , The Canadian Mineralogist , 32 (1994) p.563-565, Refinement of the structure of gagarinite-(Y), Nax(CaxREE2-x)F6

 

Physical Properties of Gagarinite-(Y)

Help on Cleavage: Cleavage: {0001} Fair
Help on Color: Color: Yellow, Cream white, Light brown, Pink.
Help on Density: Density: 4.21
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Dull
Help on Magnetism: Magnetism: Slightly magnetic
Help on Streak: Streak: white
 

Optical Properties of Gagarinite-(Y)

Help on Optical Data: Optical Data: Uniaxial (+), w=1.472, e=1.492, bire=0.0200.
 

Calculated Properties of Gagarinite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.12 gm/cc
note: Specific Gravity of Gagarinite-(Y) =4.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001861557
Boson Index = 0.9998138443
Help on Photoelectric: Photoelectric: PEGagarinite-(Y) = 41.66 barns/electron
U=PEGagarinite-(Y) x rElectron Density= 171.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gagarinite-(Y) is Not Radioactive
 

Gagarinite-(Y) Classification
Help on Dana Class: Dana Class: 11.05.06.01 (11)Halide Complexes; Alumino-fluorides
  (11.05)where (A)m B (X)6
  (11.05.06)Dana Group
 
11.05.06.01 Gagarinite-(Y) NaCaY(F,Cl)6 P 3 3
 
11.05.06.02 IMA2009-015 NaSrCeF6 P 63/m 6/m
Help on Strunz Class: Strunz Class: 03.AB.35 03 - HALIDES
  03.A - Simple Halides, Without H2O
  03.AB -M:X = 1:2
 
03.AB.35 Gagarinite-(Y) NaCaY(F,Cl)6 P 3 3
 
03.AB.35 Zajacite-(Ce) Na(REExCa1-x)(REEyCa1-y)F6where(xney) P 3 3
 

Other Gagarinite-(Y) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Gagarinite-(Y) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

Search for Gagarinite-(Y) using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Gagarinite-(Y) :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Gagarinite-(Y) Mineral Data :

Ask about Gagarinite-(Y) here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Gagarinite-(Y) Specimen Label here :

Gagarinite-(Y)

NaCaY(F,Cl)6
Dana No: 11.05.06.01 Strunz No: 03.AB.35
Locality:

 

Notes: