Schoderite Mineral Data + 
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- 43.3.1.1 Schoderite Al2(PO4)(VO4)·8(H2O) P 21/m 2/m
- 43.3.1.2 Metaschoderite Al2(PO4)(VO4)·6(H2O) P 2/m 2/m
- VII/C.12-10 Newberyite Mg(PO3OH)·3(H2O) P bca 2/m 2/m 2/m
- VII/C.12-20 Steigerite AlVO4·3(H2O) P 21/m, P 2 Mono
- VII/C.12-30 Schoderite Al2(PO4)(VO4)·8(H2O) P 21/m 2/m
- VII/C.12-40 Metaschoderite Al2(PO4)(VO4)·6(H2O) P 2/m 2/m
- VII/C.12-50 Kankite FeAsO4·3.5(H2O) Unk Mono
General Schoderite Information |
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 Chemical Formula: |
Al2(PO4)(VO4)·8(H2O) | ||
| Composition: |
Molecular Weight = 408.00 gm | ||
| Aluminum 13.23 % Al 24.99 % Al2O3 | |||
| Vanadium 12.49 % V 22.29 % V2O5 | |||
| Phosphorus 7.59 % P 17.40 % P2O5 | |||
| Hydrogen 3.95 % H 35.32 % H2O | |||
| Oxygen 62.74 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Al2(PO4)(VO4)·8(H2O) | ||
| IMA Status: |
Approved IMA 1962 | ||
| Locality: |
Fish Creek Range, near Eureka, Nevada, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for William P. Schoder (1900-1977), U. S. Chemist. | ||
Schoderite Image | |||
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Images:
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Schoderite Crystallography |
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| Axial Ratios: |
a:b:c =0.5313:1:0.4101 | ||
| Cell Dimensions: |
a = 16.26, b = 30.6, c = 12.55, Z = 18; beta = 91.77° V = 6,241.35 Den(Calc)= 1.95 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 16.33(1), 15.34(0.7), 7.64(0.35), | ||
Physical Properties of Schoderite |
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| Cleavage: |
[010] Good | ||
| Color: |
Yellow, Orange. | ||
| Density: |
1.88 | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
2 - Gypsum | ||
| Streak: |
yellow | ||
Optical Properties of Schoderite |
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| Gladstone-Dale: |
CI meas= -0.071 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= -0.033 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2885,KPDmeas= 0.2993,KC= 0.2795 |
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| Optical Data: |
Biaxial (-), a=1.56, b=1.563, g=1.565, bire=0.0050, 2V(Calc)=78, 2V(Meas)=43. | ||
Calculated Properties of Schoderite |
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| Electron Density: |
relectron=1.99 gm/cc |
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| Fermion Index |
Fermion Index = 0.00061 Boson Index = 0.99939 |
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| Photoelectric: |
PESchoderite = 3.11 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Schoderite is Not Radioactive |
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Schoderite Classification |
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| Dana Class: |
43.3.1.1 (43)Compound Phosphates, etc. | ||
| (43.3)(Hydrated Normal Compound Anions) | |||
| (43.3.1)Dana Group | |||
| Strunz Class: |
VII/C.12-30 VII - Phosphates, Arsenates and Vanadates | ||
| VII/C - Water-bearing phosphates without unfamiliar anions. cations of medium and small size: Be and Mn, Fe, Cu, Zn, Mg | |||
| VII/C.12 - Newberyite - Kankite series | |||
Other Schoderite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Schoderite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas 11 -École des Mines de Paris Search for Schoderite using: Visit our Advertisers for Schoderite : Translate Schoderite Mineral Data : Ask about Schoderite here : Print or Cut-and-Paste your Schoderite Specimen Label here :
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