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Ogdensburgite

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Formula:
Ca2Fe43+(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O
System:
Orthorhombic
Colour:
Reddish brown to ...
Hardness:
2
Name:
Named by Pete Dunn in 1981 after Ogdensburg, New Jersey, USA, which is the borough where the Sterling Mine on Sterling Hill is located and where the species was discovered. (The combined name "Sterling Hill Mine" is incorrect.)
Found as somewhat earthy looking thin coatings usually on willemite-franklinite "black ore" at the type locality. Many ogdensburgite and yukonite specimens have been confused and are incorrectly labeled. At the type locality, Ogdensburgite formed with its perfect cleavage perpendicular to the growth surface, although high magnification is needed to see the apparent fibrousness of the ogdensburgite. Yukonite does not show the fibrousness and shows a uniform to waxy appearance.

Classification of Ogdensburgite

Approved 1980
8.DC.57

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
42.9.7.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
9 : (AB)7(XO4)4Zq·xH2O
20.9.16

20 : Arsenates (also arsenates with phosphate, but without other anions)
9 : Arsenates of Fe
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First Recorded Occurrence of Ogdensburgite

Year of Discovery:
1980
Geological Setting of First Recorded Material:
Encrustations of minute plates and coatings along fractures in calcite.

Physical Properties of Ogdensburgite

Resinous, Waxy, Greasy
Diaphaneity (Transparency):
Translucent
Colour:
Reddish brown to brownish red
Streak:
Light brownish red
Hardness (Mohs):
2
Tenacity:
Brittle
Cleavage:
Perfect
{001} perfect; {010} fair; {100} poor
Fracture:
None observed
Density:
3.11 g/cm3 (Measured)    3.39 g/cm3 (Calculated)

Crystallography of Ogdensburgite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmmm
Cell Parameters:
a = 11.351Å, b = 14.837Å, c = 6.555Å
Ratio:
a:b:c = 0.765 : 1 : 0.442
Unit Cell Volume:
V 1,103.96 ų (Calculated from Unit Cell)
Z:
2
Comment:
Bmmm or B222*
X-Ray Powder Diffraction Data:
d-spacingIntensity
14.8 (100)
7.39 (20)
5.30 (20)
4.52 (30)
3.28 (30)
2.793 (25)
2.734 (25)
2.656 (30)
Comments:
ICDD 35-518

Optical Data of Ogdensburgite

Type:
Biaxial (-)
RI values:
nα = 1.715 nβ = 1.783 nγ = 1.785
2V:
Measured: 5° to 10°, Calculated: 18°
Birefringence:
0.070
Max Birefringence:
δ = 0.070
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
weak
Optical Extinction:
Parallel to {001}
Pleochroism:
Strong
Comments:
X=yellow, Y,Z=red brown

Chemical Properties of Ogdensburgite

Formula:
Ca2Fe43+(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O
Essential elements:
All elements listed in formula:

Relationship of Ogdensburgite to other Species

8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2O
8.DC.10LegranditeZn2(AsO4)(OH) · H2O
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2O
8.DC.15ArthuriteCuFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15Cobaltarthurite(Co,Mg)Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al3(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2O
8.DC.20BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
8.DC.20CoralloiteMn2+Mn23+(AsO4)2(OH)2 · 4H2O
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2O
8.DC.25FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
8.DC.25FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.25MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25StrunziteMn2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.27BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2O
8.DC.30LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30PseudolaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2O
8.DC.30StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30UshkoviteMgFe23+(PO4)2(OH)2 · 8H2O
8.DC.30FerrolaueiteFe2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2O
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2O
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2O
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2O
8.DC.40CacoxeniteFe243+Al(PO4)17O6(OH)12 · 17H2O
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2O
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2O
8.DC.50AllanpringiteFe33+(PO4)2(OH)3 · 5H2O
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
8.DC.55MapimiteZn2Fe33+(AsO4)3(OH)4 · 10H2O
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O
8.DC.60Cloncurryite(Cu,VO)Al2(PO4)2(F,OH)2 · 4.5-5H2O
20.9.1AngelelliteFe43+(AsO4)2O3
20.9.2ScoroditeFe3+AsO4 · 2H2O
20.9.3KaňkiteFeAsO4 · 3.5H2O
20.9.4FerrisymplesiteFe33+(AsO4)2(OH)3 · 5H2O
20.9.5KaatialaiteFe(H2AsO4)3 · 5H2O
20.9.6SymplesiteFe32+(AsO4)2 · 8H2O
20.9.7ParasymplesiteFe32+(AsO4)2 · 8H2O
20.9.8Natropharmacosiderite(Na,K)Fe43+(AsO4)3(OH)4 · 6-7H2O
20.9.9PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
20.9.10KolfaniteCa2Fe33+O2(AsO4)3 · 2H2O
20.9.11ArseniosideriteCa2Fe33+(AsO4)3O2 · 3H2O
20.9.12YukoniteCa3Fe3+(AsO4)2(OH)3 · 5H2O
20.9.13DussertiteBaFe33+(AsO4)2(OH)5
20.9.14Liskeardite[(Al,Fe)32(AsO4)18(OH)42(H2O)22] · 52H2O
20.9.15MapimiteZn2Fe33+(AsO4)3(OH)4 · 10H2O
20.9.17WalentaiteH(Ca,Mn2+,Fe2+)Fe33+(AsO4,PO4)4 · 7H2O

Other Names for Ogdensburgite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ogdensburgite

Reference List:
Dunn, P. J. (1981): Ogdensburgite, a new calcium-zinc-ferric iron arsenate mineral from Sterling Hill, New Jersey. Mineralogical Record: 12: 369-370.

American Mineralogist (1987): 72: 409-412.

Dunn, Pete J. (1995): Franklin and Sterling Hill New Jersey: the world's most magnificent mineral deposits, part 5: 675.

Internet Links for Ogdensburgite

Localities for Ogdensburgite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
WALENTA, K. (1997): Neue Mineralfunde von der Grube Clara 7. Folge. - Lapis 22 (11), 37-47.
Mexico
 
  • Durango
    • Mun. de Mapimí
      • Mapimí
American Mineralogist, Volume 73, pages 1172-1 178, 1988
Thomas P. Moore (2008) Lapis, 33, #7-8, 33-40.
  • Zacatecas
    • Mun. de Ojo Caliente
      • La Blanca
Parker, R. (2010). Geology And Mineral Resources Of The Bilbao Silver-Lead-Zinc Deposit, State Of Zacatecas, Mexico. Private Company Report for Xtierra Inc.
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin Mining District
        • Ogdensburg
          • Sterling Hill
Dunn, P.J.: Min.Rec.:12:369-370 (1981); Dunn(1995):Pt5:675.
Mineral and/or Locality  
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