Wyllieite  Mineral Data

Wyllieite Mineral Data

Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[New Updates] [Gallery 1] [Gallery 2] [Gallery 3] [Rock Shop Gallery]
Serving the mineral collector and educator community since 1970
Over 900,000 mineral specimens in stock
New minerals acquired weekly - Wright's Rock Shop


General Wyllieite Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca,Mn++)(Mn++,Fe++)(Fe++,Fe+++,Mg)Al(PO4)3
Help on Composition: Composition: Molecular Weight = 451.11 gm
   Sodium       3.06 %  Na    4.12 % Na2O
   Calcium      2.67 %  Ca    3.73 % CaO
   Magnesium    0.54 %  Mg    0.89 % MgO
   Manganese    9.74 %  Mn   12.58 % MnO
   Aluminum     5.98 %  Al   11.30 % Al2O3
   Iron        14.86 %  Fe   14.33 % FeO /  5.31 % Fe2O3
   Phosphorus  20.60 %  P    47.20 % P2O5
   Oxygen      42.56 %  O
              ______        ______ 
              100.00 %       99.47 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.6Ca0.3Mn2+0.8Fe2+0.9Fe3+0.3Mg0.1Al(PO4)3
Help on Environment: Environment: In zoned complex granite pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Old Mike mine, 6 km north-northwest for Custer, Custer County, South Dakota, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Peter John Wyllie (1930-), Professor of Petrology and Geochemistry, University of Chicago, Chicago, Illinois, USA.
Help on Name Pronunciation: Name Pronunciation: Wyllieite + Pronunciation Say WYLLIEITE
Help on Synonym: Synonym: ICSD 6203
  PDF 39-409
 

Wyllieite Image

Click Here for Larger Wyllieite Image in a New Browser Window Images:
Click Here for Larger Wyllieite Image

Wyllieite

Comments: Dark bluish-black massive wyllieite in pegmatite.
Location: Victory Mine, Custer, Custer County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Wyllieite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9584:1:0.5131
Help on Cell Dimensions: Cell Dimensions: a = 11.868, b = 12.382, c = 6.354, Z = 4; beta = 114.52° V = 849.51 Den(Calc)= 3.53
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.674(1), 2.693(1), 6.15(0.6),
Click Here for Large Wyllieite 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


Moore P B , Molin-Case J , American Mineralogist , 59 (1974) p.280-290, Contribution to pegmatite phosphate giant crystal paragenesis: II. The crystal, chemistry of wyllieite, Na2Fe2Al[PO4]3, a primary phase

 

Physical Properties of Wyllieite

Help on Cleavage: Cleavage: None
Help on Color: Color: Bluish green, Greenish black, Gray green, Dark green.
Help on Density: Density: 3.601
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Vitreous - Metallic
Help on Streak: Streak: olive green
 

Optical Properties of Wyllieite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1959,KPDmeas= 0.1921,KC= 0.1957
Ncalc = 1.69 - 1.7
Help on Optical Data: Optical Data: Biaxial (+), a=1.688, b=1.691, g=1.696, bire=0.0080, 2V(Calc)=76, 2V(Meas)=50.
 

Calculated Properties of Wyllieite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.43 gm/cc
note: Specific Gravity of Wyllieite =3.53 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0039284984
Boson Index = 0.9960715016
Help on Photoelectric: Photoelectric: PEWyllieite = 8.49 barns/electron
U=PEWyllieite x rElectron Density= 29.11 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wyllieite is Not Radioactive
 

Wyllieite Classification

Help on  Dana Class: Dana Class: 38.02.04.02 (38)Anhydrous Phosphates, etc
  (38.02)(A+ B++)5 (XO4)3
  (38.02.04)Alluaudite-Wyllieite Group (Wyllieite Subgroup)
 
38.02.04.01 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.02 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.03 Rosemaryite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
38.02.04.04 Qingheiite Na2(Mn,Mg,Fe)(Al,Fe)(PO4)3 P 21/n 2/m
 
38.02.04.05 Bobfergusonite Na2Mn5FeAl(PO4)6 P 21/n 2/m
 
38.02.04.06 Bradaczekite! NaCu4(AsO4)3 C 2/c 2/m
 
38.02.04.07 Ferrorosemaryite! []NaFeFeAl(PO4)3 P 21/n 2/m
Help on  Strunz Class: Strunz Class: 08.AC.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AC -With medium-sized and large cations
 
08.AC.15 Bobfergusonite Na2Mn5FeAl(PO4)6 P 21/n 2/m
 
08.AC.15 Ferrowyllieite (Na,Ca,Mn)(Fe,Mn)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Qingheiite Na2(Mn,Mg,Fe)(Al,Fe)(PO4)3 P 21/n 2/m
 
08.AC.15 Rosemaryite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Wyllieite (Na,Ca,Mn)(Mn,Fe)(Fe,Fe,Mg)Al(PO4)3 P 21/n 2/m
 
08.AC.15 Ferrorosemaryite! []NaFeFeAl(PO4)3 P 21/n 2/m
 

Other Wyllieite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Wyllieite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

Search for Wyllieite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Wyllieite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Wyllieite Mineral Data :

Ask about Wyllieite 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 Wyllieite Specimen Label here :

Wyllieite

(Na,Ca,Mn++)(Mn++,Fe++)(Fe++,Fe+++,Mg)Al(PO4)3
Dana No: 38.02.04.02 Strunz No: 08.AC.15
Locality:

 

Notes: