Phosphoellenbergerite Mineral Data

Phosphoellenbergerite Mineral Data
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General Phosphoellenbergerite Information

Help on Chemical Formula: Chemical Formula: Mg14(PO4)6(PO3OH,CO3)2(OH)6
Help on Composition: Composition: Molecular Weight = 961.64 gm
   Calcium      0.42 %  Ca    0.58 % CaO
   Magnesium   33.62 %  Mg   55.74 % MgO
   Iron         1.16 %  Fe    1.66 % Fe2O3
   Phosphorus  16.43 %  P    37.64 % P2O5
   Hydrogen     0.71 %  H     6.37 % H2O
   Carbon       0.75 %  C     2.75 % CO2
   Oxygen      46.92 %  O
              ______        ______ 
              100.00 %      104.74 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg13.3Fe3+0.2Ca0.1(PO4)4.3(PO3OH)0.8(CO3)0.6(OH)6
Help on Environment: Environment: Lenses of Precambrian serpentine-magnesite rocks of the Tingelstadtjern deposit, Modum terrane, southern Norway. Found in very high-pressure assemblages
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Modum, Norway. Dora-Maira massif, near San Giocomo, Vallone di Gilba, Val Varaita, in the Western Alps, Italy, Piemonte, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the phosphate analogue of ellenbergerite.
Help on Name Pronunciation: Name Pronunciation: Phosphoellenbergerite + Pronunciation Say PHOSPHOELLENBERGERITE
Help on Synonym: Synonym: ICSD 54146
  IMA1994-006
  PDF 51-1456
 

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Phosphoellenbergerite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.40456
Help on Cell Dimensions: Cell Dimensions: a = 12.467, c = 5.0437, Z = 1; V = 678.90 Den(Calc)= 2.35
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 63mc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.685(1)(201), 3.17(0.95)(211), 1.426(0.8)(522),1.555(0.8)(213), 2.221(0.8)(321), 2.702(0.8)(400), 2.381(0.7)(401),
 

Physical Properties of Phosphoellenbergerite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue.
Help on Density: Density: 3
Help on Diaphaneity: Diaphaneity: Translucent to transparent
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Phosphoellenbergerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.07 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.188 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2545,KPDmeas= 0.1993,KC= 0.2143
Ncalc = 1.5 - 1.64
Help on Optical Data: Optical Data: Uniaxial (-), e=1.588-1.589, w=1.606-1.609, bire=0.0180-0.0200.
 

Calculated Properties of Phosphoellenbergerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.99 gm/cc
note: Specific Gravity of Phosphoellenbergerite =3.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEPhosphoellenbergerite = 1.92 barns/electron
U=PEPhosphoellenbergerite x rElectron Density= 5.74 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Phosphoellenbergerite is Not Radioactive
 

Phosphoellenbergerite Classification
Help on Dana Class: Dana Class: 43.04.14.01 (43)Compound Phosphates, etc.
  (43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen)
  (43.04.14)Dana Group
 
43.04.14.01 Phosphoellenbergerite! Mg14(PO4)6(PO3OH,CO3)2(OH)6 P 63mc 6mm
Help on Strunz Class: Strunz Class: 08.BB.55 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1
 
08.BB.55 Phosphoellenbergerite! Mg14(PO4)6(PO3OH,CO3)2(OH)6 P 63mc 6mm
 

Other Phosphoellenbergerite Information
Help on References: References: NAME( AmMin, Vol 84, No. 7-8) PHYS. PROP.(AmMin, Vol 84, No. 7-8) OPTIC PROP.(AmMin, Vol 84, No. 7-8)
Help on See Also: See Also: Links to other databases for Phosphoellenbergerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Print or Cut-and-Paste your Phosphoellenbergerite Specimen Label here :

Phosphoellenbergerite

Mg14(PO4)6(PO3OH,CO3)2(OH)6
Dana No: 43.04.14.01 Strunz No: 08.BB.55
Locality:

 

Notes: