Koninckite Mineral Data
General Koninckite Information
Chemical Formula:
Fe+++PO4•3(H2O) (?)
Composition:
Molecular Weight = 204.86 gm
Iron 27.26 % Fe 38.98 % Fe2 O3
Phosphorus 15.12 % P 34.64 % P2 O5
Hydrogen 2.95 % H 26.38 % H2 O
Oxygen 54.67 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Fe3+ (PO4 )•3(H2 O)
IMA Status:
Valid Species (Pre-IMA) 1883
Locality:
Richelle, Vise, near Liege, Belgium. Link to MinDat.org Location Data.
Name Origin:
Named for Laurent Guillaumen de Koninck (1809-1887), Belgian geologist.
Name Pronunciation:
Koninckite + Pronunciation
Koninckite Image
Images:
Koninckite Crystallography
Axial Ratios:
a:c = 1:1.21506
Cell Dimensions:
a = 11.95, c = 14.52, Z = 16; V = 2,073.49 Den(Calc)= 2.62
Crystal System:
Tetragonal Space Group: Unk
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
Cleavage:
{???} Good
Color:
Yellow, White.
Density:
2.4
Diaphaneity:
Transparent
Habit:
Aggregates - Made of numerous individual crystals or clusters.
Habit:
Spherical - Spherical, rounded aggregates.
Hardness:
3.5-4 - Copper Penny-Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Koninckite
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
Optical Data:
Biaxial (?), a=1.645, b=1.656, g=1.656, bire=0.0110
Calculated Properties of Koninckite
Electron Density:
Bulk Density (Electron Density)=2.41 gm/cc note: Specific Gravity of Koninckite =2.40 gm/cc.
Fermion Index:
Fermion Index = 0.0060460613 Boson Index = 0.9939539387
Photoelectric:
PEKoninckite = 8.70 barns/electronU=PEKoninckite x r Electron Density= 21.00 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Koninckite is Not Radioactive
Koninckite Classification
Dana Class:
40.04.02.01 (40) Hydrated Phosphates, etc
(40.04) where A+++ XO4 � x(H2O)
(40.04.02) Dana Group
40.04.02.01 Koninckite FePO4•3(H2O)(?) Unk Tetra
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
References:
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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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Koninckite
Fe+++PO4•3(H2O) (?)
Dana No: 40.04.02.01 Strunz No: 08.CE.55
Locality:
Notes:
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