Xanthoxenite Mineral Data + Say XANTHOXENITE

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General Xanthoxenite Information

Help on Chemical  Formula: Chemical Formula: Ca4Fe+++2(PO4)4(OH)2·3(H2O)
Help on Composition: Composition: Molecular Weight = 739.95 gm
   Calcium     21.67 %  Ca   30.31 % CaO
   Iron        15.09 %  Fe   21.58 % Fe2O3
   Phosphorus  16.74 %  P    38.37 % P2O5
   Hydrogen     1.09 %  H     9.74 % H2O
   Oxygen      45.41 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4Fe3+2(PO4)4(OH)2·3(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Link to MinDat.org Location Data.
 

Xanthoxenite Image

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Xanthoxenite

Comments: Xanthoxenite crystalline coating.
Location: Palermo Mine, North Groton, Grafton County, New Hampshire, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Xanthoxenite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.757:1:0.7389
Help on Cell Dimensions: Cell Dimensions: a = 6.7, b = 8.85, c = 6.54, Z = 1; alpha = 92.1°, beta = 110.2°, gamma = 93.2° V = 363.13 Den(Calc)= 3.38
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.055(1), 3.489(0.9), 6.27(0.8),
 

Physical Properties of Xanthoxenite

Help on Cleavage: Cleavage: [???] Perfect
Help on Color: Color: Brownish yellow, Light yellow.
Help on Density: Density: 2.8 - 2.97, Average = 2.88
Help on Diaphaniety: Diaphaniety: Translucent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Xanthoxenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.054 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.101 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2113,KPDmeas= 0.2476,KC= 0.235
Help on Optical Data: Optical Data: Biaxial (-), a=1.704, b=1.715, g=1.724, bire=0.0200, 2V(Calc)=82, 2V(Meas)=80-90.
 

Calculated Properties of Xanthoxenite

Help on Electron Density: Electron Density:

relectron=2.87 gm/cc
note: rXanthoxenite =2.89 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00371
Boson Index = 0.99629
Help on Photoelectric: Photoelectric:

PEXanthoxenite = 7.91 barns/electron
U=PEXanthoxenite x relectron= 22.70 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Xanthoxenite is Not Radioactive

 

Xanthoxenite Classification

Help on  Dana Class: Dana Class: 42.11.15.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.15)Dana Group
 
42.11.15.1 Xanthoxenite Ca4Fe2(PO4)4(OH)2·3(H2O) P1 1
Help on  Strunz Class: Strunz Class: VII/D.30-10 VII - Phosphates, Arsenates and Vanadates
  VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K
  VII/D.30 - Mitridatite series
 
VII/D.30-10 Xanthoxenite Ca4Fe2(PO4)4(OH)2·3(H2O) P1 1
 
VII/D.30-20 Kolfanite Ca2Fe3O2(AsO4)3·2(H2O) A2/a 2/m
 
VII/D.30-30 Mitridatite Ca2Fe3(PO4)3O2·3(H2O) A2/a 2/m
 
VII/D.30-40 Arseniosiderite Ca2Fe3(AsO4)3O2·3(H2O) A2/a 2/m
 
VII/D.30-45 Sailaufite! Ca2Mn3O2(AsO4)2(CO3)·3(H2O) Cm m
 
VII/D.30-50 Robertsite Ca6Mn9(PO4)9O6(H2O)6·3(H2O) A2/a 2/m
 
VII/D.30-60 Pararobertsite Ca2Mn3(PO4)3O2·3(H2O) P 21/c 2/m
 

Other Xanthoxenite Information

Help on References: References: 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 Xanthoxenite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris

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Xanthoxenite

Ca4Fe+++2(PO4)4(OH)2·3(H2O)
Dana No: 42.11.15.1 Strunz No: VII/D.30-10
Locality:

 

Notes:

 

 
   
 
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