Tengerite-(Y) Mineral Data

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



[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery]
Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996


General Tengerite-(Y) Information

Help on Chemical Formula: Chemical Formula: Y2(CO3)3•2-3(H2O)
Help on Composition: Composition: Molecular Weight = 402.88 gm
   Yttrium   44.14 %  Y    56.05 % Y2O3
   Hydrogen   1.25 %  H    11.18 % H2O
   Carbon     8.94 %  C    32.77 % CO2
   Oxygen    45.67 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y2(CO3)3•2.5(H2O)
Help on Environment: Environment: Alteration product of gadolinite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1838
Help on Locality: Locality: Ytterby, northeast of Stockholm, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for C. Tenger, Swedish geologist.
Help on Name Pronunciation: Name Pronunciation: Tengerite-(Y) + Pronunciation Say TENGERITE-(Y)
Help on Synonym: Synonym: ICSD 72940
  PDF 47-1828
 

Tengerite-(Y) Image

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

Tengerite-(Y)

Comments: White microcrystalline tengerite-(Y) seams on matrix.
Location: Evans-Lou Quarry, Quebec, Canada. Scale: Specimen Size 2x3 cm.
© Diederik Visser
Click Here for Larger Tengerite-(Y) Image in a New Browser Window Images:
Click Here for Larger Tengerite-(Y) Image

Tengerite-(Y)

Comments: Pearly white platy tengerite-(Y) crystals in radial sprays to 2mm and fine layers on matrix. Partially replaced by an unidentified green mineral with bright blue centers that is probable decrespignyite-(Y).
Location: Paratoo Cu mine, Mt Lofty Ranges, South Australia, Australia. Scale: Overall: 4.5 x 1 x 4 cm.
© Tom Loomis / Dakota Matrix

Tengerite-(Y) Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6637:1:1.6505
Help on Cell Dimensions: Cell Dimensions: a = 6.078, b = 9.157, c = 15.114, Z = 4; V = 841.19 Den(Calc)= 3.18
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pb21m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.58(1), 3.89(0.9), 7.53(0.9),
Click Here for Large Tengerite-(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


Miyawaki R , Kuriyama J , Nakai I , American Mineralogist , 78 (1993) p.425-432, The redefinition of tengerite-(Y), Y2(CO3)3.2-3H2O, and its crystal structure

 

Physical Properties of Tengerite-(Y)

Help on Color: Color: White.
Help on Density: Density: 3.12
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Pulverulent - Forms a loose, poorly-coherent powdery mass.
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Tengerite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.064 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.082 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1858,KPDmeas= 0.1894,KC= 0.2024
Ncalc = 1.63 - 1.64
Help on Optical Data: Optical Data: Biaxial (+), a=1.587, b=1.57, g=1.616, bire=0.0290
 

Calculated Properties of Tengerite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.99 gm/cc
note: Specific Gravity of Tengerite-(Y) =3.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012049212
Boson Index = 0.9987950788
Help on Photoelectric: Photoelectric: PETengerite-(Y) = 54.22 barns/electron
U=PETengerite-(Y) x rElectron Density= 162.07 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tengerite-(Y) is Not Radioactive
 

Tengerite-(Y) Classification
Help on Dana Class: Dana Class: 15.04.03.01 (15)Hydrated Carbonates
  (15.04)Dana Type
  (15.04.03)Dana Group
 
15.04.03.01 Tengerite-(Y) Y2(CO3)3•2-3(H2O) Pb21m mm2
Help on Strunz Class: Strunz Class: 05.CC.10 05 - CARBONATES (NITRATES)
  05.C - Carbonates without Additional Anions, with H2O
  05.CC -With rare-earth elements (REE)
 
05.CC.10 Tengerite-(Y) Y2(CO3)3•2-3(H2O) Pb21m mm2
 

Other Tengerite-(Y) Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Tengerite-(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 Tengerite-(Y) using:

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

Visit our Advertisers for Tengerite-(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 Tengerite-(Y) Mineral Data :

Ask about Tengerite-(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 Tengerite-(Y) Specimen Label here :

Tengerite-(Y)

Y2(CO3)3•2-3(H2O)
Dana No: 15.04.03.01 Strunz No: 05.CC.10
Locality:

 

Notes: