Kerstenite Mineral Data
General Kerstenite Information
Chemical Formula:
PbSeO4 (?)
Composition:
Molecular Weight = 350.16 gm
Lead 59.17 % Pb 63.74 % PbO
Selenium 22.55 % Se 36.26 % SeO3
Oxygen 18.28 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Pb(SeO4 )
Environment:
Kerstenite (of Dana) = molybdomenite
IMA Status:
Discredited IMA 2006
Locality:
Friedrichsgl�ck Mine, Hildburghausen, Suhl, Thuringian Forest, Thuringia, Germany. Link to MinDat.org Location Data.
Name Origin:
Named for K. M. Kersten (1803-1850), Professor of Chemistry, Freiberg School of Mines.
Kerstenite Image
Images:
Kerstenite Crystallography
Axial Ratios:
a:b:c =0.7812:1:1.2045
Cell Dimensions:
a = 5.5, b = 7.04, c = 8.48, Z = 4; V = 328.35 Den(Calc)= 7.08
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
X Ray Diffraction:
By Intensity(I/Io ): 3.03(1), 3.25(0.75), 3.36(0.75),
Physical Properties of Kerstenite
Cleavage:
{???} Indistinct
Color:
Colorless, Greenish yellow, Yellow.
Density:
7.08
Diaphaneity:
Transparent
Hardness:
3.5 - Copper Penny
Luster:
Vitreous - Greasy
Streak:
white
Optical Properties of Kerstenite
Gladstone-Dale:
CI meas = 0.05 (Good) - where the CI = (1-KPDmeas /KC ) CI calc = 0.05 (Good) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.137,KPDmeas = 0.137,KC = 0.1442 Ncalc = 2.02
Optical Data:
Biaxial (?), a=1.96, g=1.98, bire=0.0200, 2V(Meas)=50.
Calculated Properties of Kerstenite
Electron Density:
Bulk Density (Electron Density)=5.98 gm/cc note: Specific Gravity of Kerstenite =7.08 gm/cc.
Fermion Index:
Fermion Index = 0.14 Boson Index = 0.86
Photoelectric:
PEKerstenite =1,093.36 barns/electronU=PEKerstenite x r Electron Density=6,543.73 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kerstenite is Not Radioactive
Kerstenite Classification
Dana Class:
37.00.00.00 (37) Phosphate Minerals
(37.00) Without Dana Classification Numbers
(37.00.00) Selenate
37.00.00.00 Arnhemite * (K,Na)2Mg2(P2O7)•5(H2O) Unk Hex
37.00.00.00 Arsenowaylandite * BiAl3(AsO4)2(OH)6 R 3 m 3 2/m
37.00.00.00 Auroantimonate * AuSbO3 Ortho ? Ortho
37.00.00.00 Barium-zinc-alumopharmacosiderite * (Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3•5(H2O)
I 4 2m 4 2m
37.00.00.00 Chernovite-(Ce) * (Ce,Y)(AsO4) I 41 /amd 4/m 2/m 2/m
37.00.00.00 Churchite-(Dy) * (Dy,Sm,Gd,Nd)(PO4)•2(H2O) Mono
37.00.00.00 Gengenbachite KFe3(H2PO4)2(HPO4)4•6H2OorKFe3H8(PO4)6•6H2O P 63 mc 6mm
37.00.00.00 IMA2008-063 Pb[Zn0.25,[]0.75]Fe3H(AsO4)2(OH)6 C 2/c 2/m
37.00.00.00 IMA2009-005 (Y,Ca,REE)5[(Si,P)O4]3F P 63 /m 6/m 2/m 2/m
37.00.00.00 IMA2009-016 Cu4H(AsO4)2(OH)3•H2O P1 1
37.00.00.00 Kerstenite ? PbSeO4(?) P nma 2/m 2/m 2/m
37.00.00.00 Krasnoselskite * CoWO4 P 2/c 2/m
37.00.00.00 Laubmannite ? Fe3Fe6(PO4)4(OH)12 Unk Ortho
37.00.00.00 Oxiberaunite * (Fe,Mn)Fe5(PO4)4O(OH)4•6(H2O) Mono
37.00.00.00 Parwanite (Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7•30H2O P 2, Pm, P 2/m, P 21 , Mono
37.00.00.00 Pyrocoproite * (Mg(K,Na))2P2O7 Unk Mono
37.00.00.00 Pyrophosphite * K2CaP2O7 P 21 /n 2/m
37.00.00.00 Zinclavendulan ? NaCa(Zn,Cu)5(AsO4)4Cl•4-5(H2O) Unk Ortho
Strunz Class:
08.XX.00 08 - PHOSPHATES, ARSENATES, VANADATES
08.X - Unclassified Strunz PHOSPHATES, ARSENATES, VANADATES
08.XX -Selenate
08.XX.00 Arsenobismite ? Bi2(AsO4)(OH)3 Unk Ortho
08.XX.00 Coeruleolactite (Ca,Cu)Al6(PO4)4(OH)8•4-5(H2O) P1 1
08.XX.00 Cheralite-(Ce) ? (Ce,Ca,Th)(P,Si)O4 P 21 /n 2/m
08.XX.00 Chernovite-(Ce) * (Ce,Y)(AsO4) I 41 /amd 4/m 2/m 2/m
08.XX.00 Kerstenite ? PbSeO4(?) P nma 2/m 2/m 2/m
08.XX.00 Laubmannite ? Fe3Fe6(PO4)4(OH)12 Unk Ortho
08.XX.00 Spodiosite ? Ca2(PO4)F Pbcm 2/m 2/m 2/m
08.XX.00 Pseudo-autunite * (H3O)4Ca2(UO2)2(PO4)4•5(H2O)(?) Unk Ortho
08.XX.00 Viseite Ca10Al24(SiO4)6(PO4)7O22F3•72(H2O)(?) I a3d 4/m 3 2/m
08.XX.00 Vanuranylite ? (H3O,Ba,Ca,K)1.6(UO2)2V2O8•4(H2O)(?) C 2/c ? 2/m
08.XX.00 Sodium-autunite Na2(UO2)2(PO4)2•8(H2O) P 4/nmm 4/m 2/m 2/m
08.XX.00 Sodium meta-autunite ! Na2(UO2)2(PO4)2•6-8(H2O) P 4/nmm 4/m 2/m 2/m
08.XX.00 Slavkovite ! Cu13(AsO4)6(AsO3OH)4•23(H2O) P1 1
08.XX.00 IMA2000-020 ! Fe4[AsO3OH]5[AsO2(OH)2]2•20(H2O) Ortho Ortho
08.XX.00 Lewisite ! (Ca,Fe,Na)2(Sb,Ti)2O7 F d3m 4/m 3 2/m
08.XX.00 Kamarizaite ! Fe3(AsO4)2(OH)3•3H2O Pccm, Pcc2, Pcmm, Pcm21 Ortho
08.XX.00 Lapeyreite ! Cu3O[AsO3(OH)]2•H2O C 2/m 2/m
08.XX.00 IMA2008-063 Pb[Zn0.25,[]0.75]Fe3H(AsO4)2(OH)6 C 2/c 2/m
08.XX.00 IMA2009-002 ! Cu3(AsO4)2 P 21 /c 2/m
08.XX.00 IMA2009-005 (Y,Ca,REE)5[(Si,P)O4]3F P 63 /m 6/m 2/m 2/m
08.XX.00 IMA2009-016 Cu4H(AsO4)2(OH)3•H2O P1 1
Other Kerstenite Information
References:
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Kerstenite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST
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Kerstenite
PbSeO4 (?)
Dana No: 37.00.00.00 Strunz No: 08.XX.00
Locality:
Notes:
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