Jungite Mineral Data

Jungite Mineral Data
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General Jungite Information

Help on Chemical Formula: Chemical Formula: Ca2Zn4Fe+++8(PO4)9(OH)9•16(H2O)
Help on Composition: Composition: Molecular Weight = 2,084.54 gm
   Calcium      3.85 %  Ca    5.38 % CaO
   Zinc        12.55 %  Zn   15.62 % ZnO
   Iron        21.43 %  Fe   30.64 % Fe2O3
   Phosphorus  13.37 %  P    30.64 % P2O5
   Hydrogen     1.98 %  H    17.72 % H2O
   Oxygen      46.82 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Zn4Fe3+8(PO4)9(OH)9•16(H2O)
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Hagendorf Sud pegmatite, Barvaria, Germay. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gerhard Jung, German mineral collector who found the mineral.
Help on Name Pronunciation: Name Pronunciation: Jungite Say JUNGITE
 

Jungite Image

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Jungite

Comments: Translucent cleavage fragment of jungite.
Location: Hagendorf, Bayern, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jungite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5881:1:0.4884
Help on Cell Dimensions: Cell Dimensions: a = 11.98, b = 20.37, c = 9.95, Z = 2; V = 2,428.12 Den(Calc)= 2.85
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Pcmm,Pcm2,Pc2m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.3(1), 3.37(1), 5.09(1),
 

Physical Properties of Jungite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Dark green, Yellow, Green yellow.
Help on Density: Density: 2.843
Help on Habit: Habit: Rosette - Bundled tabular aggregates resembling rose flower petals.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Vitreous - Silky
Help on Streak: Streak: yellow
 

Optical Properties of Jungite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.067 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.069 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2316,KPDmeas= 0.2321,KC= 0.2488
Ncalc = 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.658, b=1.658, g=1.664, bire=0.0060, 2V(Calc)=0, 2V(Meas)=60. Dispersion r < v strong.
 

Calculated Properties of Jungite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Jungite =2.84 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0099678755
Boson Index = 0.9900321245
Help on Photoelectric: Photoelectric: PEJungite = 13.53 barns/electron
U=PEJungite x rElectron Density= 38.10 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jungite is Not Radioactive
 

Jungite Classification
Help on Dana Class: Dana Class: 42.13.04.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.13)Dana Type
  (42.13.04)Dana Group
 
42.13.04.01 Jungite Ca2Zn4Fe8(PO4)9(OH)9•16(H2O) Pcmm,Pcm2,Pc2m Ortho
Help on Strunz Class: Strunz Class: 08.DJ.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DJ -With large and medium-sized cations, (OH, etc.):RO4 = 1:l
 
08.DJ.25 Jungite Ca2Zn4Fe8(PO4)9(OH)9•16(H2O) Pcmm,Pcm2,Pc2m Ortho
 

Other Jungite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Jungite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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

Jungite

Ca2Zn4Fe+++8(PO4)9(OH)9•16(H2O)
Dana No: 42.13.04.01 Strunz No: 08.DJ.25
Locality:

 

Notes: