Ogdensburgite Mineral Data

Ogdensburgite Mineral Data
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General Ogdensburgite Information

Help on Chemical Formula: Chemical Formula: Ca2(Zn,Mn)Fe+++4(AsO4)4(OH)6•6(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Ca2Zn0.8Mn2+0.2Fe3+4(AsO4)4(OH)6•6(H2O)
Help on Environment: Environment: Secondary Fe arsenate.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Sterling Hill mine, Ogdensburg, New Jersy, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Ogdensburgite + Pronunciation Say OGDENSBURGITE
 

Ogdensburgite Image

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Ogdensburgite

Comments: Reddish-brown, massive ogdensburgite.
Location: Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Ogdensburgite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.765:1:0.4418
Help on Cell Dimensions: Cell Dimensions: a = 11.351, b = 14.837, c = 6.555, Z = 2; V = 1,103.96 Den(Calc)= 3.41
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Bmmm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 14.8(1), 2.656(0.3), 4.52(0.3),
 

Physical Properties of Ogdensburgite

Help on Cleavage: Cleavage: {001} Perfect, {010} Fair, {100} Poor
Help on Color: Color: Brownish red, Dark brown, Reddish orange.
Help on Density: Density: 2.92 - 3.11, Average = 3.01
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Resinous
Help on Streak: Streak: brown yellow
 

Optical Properties of Ogdensburgite

Help on Gladstone-Dale: 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
Ncalc = 1.69 - 1.8
Help on Optical Data: Optical Data: Biaxial (-), a=1.715, b=1.783, g=1.785, bire=0.0700, 2V(Calc)=18, 2V(Meas)=5-10.
Help on Pleochroism (x): Pleochroism (x): yellow.
Help on Pleochroism (y): Pleochroism (y): reddish brown.
Help on Pleochroism (z): Pleochroism (z): reddish brown.
 

Calculated Properties of Ogdensburgite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.29 gm/cc
note: Specific Gravity of Ogdensburgite =3.41 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0063625503
Boson Index = 0.9936374497
Help on Photoelectric: Photoelectric: PEOgdensburgite = 27.16 barns/electron
U=PEOgdensburgite x rElectron Density= 89.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ogdensburgite is Not Radioactive
 

Ogdensburgite Classification
Help on Dana Class: Dana Class: 42.09.07.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.09)where (A)3 (XO4)2 Zq · x(H2O)
  (42.09.07)Dana Group
 
42.09.07.01 Ogdensburgite Ca2(Zn,Mn)Fe4(AsO4)4(OH)6•6(H2O) Bmmm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 08.DC.57 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
 
08.DC.57 Ogdensburgite Ca2(Zn,Mn)Fe4(AsO4)4(OH)6•6(H2O) Bmmm 2/m 2/m 2/m
 

Other Ogdensburgite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Ogdensburgite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - MinMax(Deutsch)
12 - MinMax(English)
13 - Mineralienatlas (Deutsch)
14 - QUT Mineral Atlas
15 - Ruff.Info

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Ogdensburgite

Ca2(Zn,Mn)Fe+++4(AsO4)4(OH)6•6(H2O)
Dana No: 42.09.07.01 Strunz No: 08.DC.57
Locality:

 

Notes: