Xanthoxenite Mineral Data + 
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- 42.11.15.1 Xanthoxenite Ca4Fe2(PO4)4(OH)2·3(H2O) P1 1
- 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
General Xanthoxenite Information |
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 Chemical Formula: |
Ca4Fe+++2(PO4)4(OH)2·3(H2O) | ||
| 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 | |||
| Empirical Formula: |
Ca4Fe3+2(PO4)4(OH)2·3(H2O) | ||
| IMA Status: |
Valid Species (Pre-IMA) 1920 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
Xanthoxenite Image | |||
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Images:
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Xanthoxenite Crystallography |
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| Axial Ratios: |
a:b:c =0.757:1:0.7389 | ||
| 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 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.055(1), 3.489(0.9), 6.27(0.8), | ||
Physical Properties of Xanthoxenite |
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| Cleavage: |
[???] Perfect | ||
| Color: |
Brownish yellow, Light yellow. | ||
| Density: |
2.8 - 2.97, Average = 2.88 | ||
| Diaphaniety: |
Translucent | ||
| Hardness: |
2.5 - Finger Nail | ||
| Luster: |
Earthy (Dull) | ||
| Streak: |
white | ||
Optical Properties of Xanthoxenite |
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| 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 |
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| 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 |
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| Electron Density: |
relectron=2.87 gm/cc |
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| Fermion Index |
Fermion Index = 0.00371 Boson Index = 0.99629 |
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| Photoelectric: |
PEXanthoxenite = 7.91 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Xanthoxenite is Not Radioactive |
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Xanthoxenite Classification |
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| 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 | |||
| 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 | |||
Other Xanthoxenite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| 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 Search for Xanthoxenite using: Visit our Advertisers for Xanthoxenite : Translate Xanthoxenite Mineral Data : Ask about Xanthoxenite here : Print or Cut-and-Paste your Xanthoxenite Specimen Label here :
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