Koninckite Mineral Data

General Koninckite Information

Chemical Formula:

Fe+++PO4•3(H2O) (?)

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

Empirical Formula:

Fe³⁺(PO₄)•3(H₂O)

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

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

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:

TetragonalSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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:

PE_Koninckite= 8.70 barns/electron
U=PE_Koninckite x rElectron 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

Search for Koninckite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Koninckite :

A Bijoux Google Search for Koninckite
Adam's Minerals Google Search for Koninckite
Cape Minerals Google Search for Koninckite
Dakota Matrix Minerals Google Search for Koninckite
Excalibur Mineral Corp. Google Search for Koninckite
Exceptional Minerals Google Search for Koninckite
John Betts Fine Minerals Search for Koninckite
McDougall Minerals Google Search for Koninckite
Mineral News Website Link
Rock and Mineral Shows Google Search for Koninckite
Weinrich Minerals, Inc. Google Search for Koninckite

Ask about Koninckite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Koninckite

Fe+++PO4•3(H2O) (?)
Dana No: 40.04.02.01 Strunz No: 08.CE.55
Locality:

Notes: