Ogdensburgite Mineral Data + 
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- 42.9.7.1 Ogdensburgite Ca2(Zn,Mn)Fe4(AsO4)4(OH)6·6(H2O) Bmmm 2/m 2/m 2/m
- VII/D.49-10 Ogdensburgite Ca2(Zn,Mn)Fe4(AsO4)4(OH)6·6(H2O) Bmmm 2/m 2/m 2/m
General Ogdensburgite Information |
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 Chemical Formula: |
Ca2(Zn,Mn)Fe+++4(AsO4)4(OH)6·6(H2O) | ||
| Composition: |
Molecular Weight = 1,132.66 gm | ||
| Calcium 7.08 % Ca 9.90 % CaO | |||
| Manganese 0.97 % Mn 1.25 % MnO | |||
| Zinc 4.62 % Zn 5.75 % ZnO | |||
| Iron 19.72 % Fe 28.20 % Fe2O3 | |||
| Arsenic 26.46 % As 40.58 % As2O5 | |||
| Hydrogen 1.60 % H 14.31 % H2O | |||
| Oxygen 39.55 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca2Zn0.8Mn2+0.2Fe3+4(AsO4)4(OH)6·6(H2O) | ||
| Environment: |
Secondary Fe arsenate. | ||
| IMA Status: |
Approved IMA 1981 | ||
| Locality: |
Sterling Hill mine, Ogdensburg, New Jersy, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the locality. | ||
Ogdensburgite Image | |||
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Images:
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Ogdensburgite Crystallography |
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| Axial Ratios: |
a:b:c =0.765:1:0.4418 | ||
| Cell Dimensions: |
a = 11.351, b = 14.837, c = 6.555, Z = 2; V = 1,103.96 Den(Calc)= 3.41 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bmmm | ||
| X Ray Diffraction: |
By Intensity(I/Io): 14.8(1), 2.656(0.3), 4.52(0.3), | ||
Physical Properties of Ogdensburgite |
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| Cleavage: |
[001] Perfect, [010] Fair, [100] Poor | ||
| Color: |
Brownish red, Dark brown, Reddish orange. | ||
| Density: |
2.92 - 3.11, Average = 3.01 | ||
| Diaphaniety: |
Translucent | ||
| Habit: |
Bladed - Aggregates of thin lath-like crystals (e.g. kyanite). | ||
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. | ||
| Habit: |
Micaceous - Platy texture with "flexible" plates. | ||
| Hardness: |
2 - Gypsum | ||
| Luminescence: |
Non-fluorescent. | ||
| Luster: |
Resinous | ||
| Streak: |
brown yellow | ||
Optical Properties of Ogdensburgite |
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| Gladstone-Dale: |
CI meas= -0.071 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.053 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2232,KPDmeas= 0.2524,KC= 0.2356 |
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| Optical Data: |
Biaxial (-), a=1.715, b=1.783, g=1.785, bire=0.0700, 2V(Calc)=18, 2V(Meas)=5-10. | ||
| Pleochroism (x): |
yellow. | ||
| Pleochroism (y): |
reddish brown. | ||
| Pleochroism (z): |
reddish brown. | ||
Calculated Properties of Ogdensburgite |
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| Electron Density: |
relectron=3.29 gm/cc |
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| Fermion Index |
Fermion Index = 0.00636 Boson Index = 0.99364 |
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| Photoelectric: |
PEOgdensburgite = 27.16 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ogdensburgite is Not Radioactive |
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Ogdensburgite Classification |
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| Dana Class: |
42.9.7.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | ||
| (42.9)where (A)3 (XO4)2 Zq · x(H2O) | |||
| (42.9.7)Dana Group | |||
| Strunz Class: |
VII/D.49-10 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.49 - Ogdensburgite | |||
Other Ogdensburgite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Ogdensburgite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 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 Ogdensburgite using: Visit our Advertisers for Ogdensburgite : Translate Ogdensburgite Mineral Data : Ask about Ogdensburgite here : Print or Cut-and-Paste your Ogdensburgite Specimen Label here :
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