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Koninckite Mineral Data

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General Koninckite Information

Help on Chemical  Formula: Chemical Formula: Fe+++PO4•3(H2O) (?)
Help on Composition: Composition: Molecular Weight = 204.86 gm
   Iron        27.26 %  Fe   38.98 % Fe2O3
   Phosphorus  15.12 %  P    34.64 % P2O5
   Hydrogen     2.95 %  H    26.38 % H2O
   Oxygen      54.67 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe3+(PO4)•3(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1883
Help on Locality: Locality: Richelle, Vise, near Liege, Belgium. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Laurent Guillaumen de Koninck (1809-1887), Belgian geologist.
Help on Name Pronunciation: Name Pronunciation: Koninckite + Pronunciation Say KONINCKITE

Koninckite Image

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Comments: Pale pink botryoidal crust of koninckite on rock.
Location: Richelle, Liege, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koninckite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:1.21506
Help on Cell Dimensions: Cell Dimensions: a = 11.95, c = 14.52, Z = 16; V = 2,073.49 Den(Calc)= 2.62
Help on Crystal System: Crystal System: Tetragonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.47(1), 3.79(0.3), 2.99(0.2),3.85(0.2), 3.36(0.1), 3.66(0.1), 4.52(0.1), 6(0.1),

Physical Properties of Koninckite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Yellow, White.
Help on Density: Density: 2.4
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Koninckite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.015 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.097 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.249,KPDmeas= 0.2718,KC= 0.2759
Ncalc = 1.66 - 1.72
Help on Optical Data: Optical Data: Biaxial (?), a=1.645, b=1.656, g=1.656, bire=0.0110

Calculated Properties of Koninckite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.41 gm/cc
note: Specific Gravity of Koninckite =2.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0060460613
Boson Index = 0.9939539387
Help on Photoelectric: Photoelectric: PEKoninckite = 8.70 barns/electron
U=PEKoninckite x rElectron Density= 21.00 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Koninckite is Not Radioactive

Koninckite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.04)where A+++ XO4 � x(H2O)
  (40.04.02)Dana Group Koninckite FePO4•3(H2O)(?) Unk Tetra
Help on  Strunz Class: Strunz Class: 08.CE.55 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CE -With only medium-sized cations, RO4:H2O � 1:2.5
08.CE.55 Koninckite FePO4•3(H2O)(?) Unk Tetra

Other Koninckite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Koninckite :
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 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Koninckite Specimen Label here :


Fe+++PO4•3(H2O) (?)
Dana No: Strunz No: 08.CE.55





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