General Kingite Information Chemical Formula: |
Al3(PO4)2(F,OH)2•8(H2O,OH) |
Composition: |
Molecular Weight = 455.79 gm |
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Aluminum 18.94 % Al 35.79 % Al2O3 |
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Phosphorus 13.59 % P 31.14 % P2O5 |
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Hydrogen 3.16 % H 28.26 % H2O |
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Oxygen 57.22 % O |
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Fluorine 7.09 % F 7.09 % F |
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- %
F -2.98 % -O=F2 |
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______ ______ |
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100.00 % 99.30 % = TOTAL OXIDE |
Empirical Formula: |
Al3.2(PO4)2F1.7(OH)0.3•6(H2O)2(OH) |
Environment: |
Small fine-grained nodules in a phosphate deposit. |
IMA Status: |
Valid Species (Pre-IMA) 1957 |
Locality: |
Fairview mine, Robertstown, Burra County, SA, Australia. Link to MinDat.org Location Data. |
Name Origin: |
Named for D. King, 1926-1990), geologist, Department of Mines, SA, Australia. |
Name Pronunciation: |
Kingite |
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Images:
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Kingite Crystallography Axial Ratios: |
a:b:c =0.9272:1:0.7058 |
Cell Dimensions: |
a = 9.377, b = 10.113, c = 7.138, Z = 2; alpha = 97.6°, beta = 100.88°, gamma = 96.01° V = 655.27 Den(Calc)= 2.31 |
Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
X Ray Diffraction: |
By Intensity(I/Io): 9.1(1), 3.45(0.8), 3.48(0.65), |
Crystal Structure:
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Mouse
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| Physical Properties of Kingite Color: |
White. |
Density: |
2.2 - 2.3, Average = 2.25 |
Diaphaneity: |
Translucent |
Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. |
Habit: |
Nodular - Tuberose forms having irregular protuberances over the surface. |
Habit: |
Platy - Sheet forms (e.g. micas). |
Streak: |
white |
| Optical Properties of Kingite Gladstone-Dale: |
CI meas= 0.009 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.039 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2216,KPDmeas= 0.2284,KC= 0.2305 Ncalc = 1.51 - 1.53 Optical Data: |
Biaxial (?), b=1.514 |
| Calculated Properties of Kingite Electron Density: |
Bulk Density (Electron Density)=2.29 gm/cc |
note: Specific Gravity of Kingite =2.25 gm/cc. Fermion Index: |
Fermion Index = 0.0002793863 |
Boson Index = 0.9997206137 Photoelectric: |
PEKingite = 1.31 barns/electron |
U=PEKingite x rElectron Density= 3.00 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Kingite is Not Radioactive | Kingite Classification Dana Class: |
42.10.03.01 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.10)where (AB)3 (XO4)2 Zq · x(H2O) |
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(42.10.03)Dana Group |
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Strunz Class: |
08.DC.47 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 |
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| Other Kingite Information References: |
NAME( Dana8) PHYS. PROP.(AmMin, Vol 87, p 235) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Kingite : |
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 Kingite using: Visit our Advertisers for Kingite : A Bijoux Google Search for KingiteAdam's Minerals Google Search for Kingite Cape Minerals Google Search for Kingite Dakota Matrix Minerals Google Search for Kingite Excalibur Mineral Corp. Google Search for Kingite Exceptional Minerals Google Search for Kingite John Betts Fine Minerals Search for Kingite McDougall Minerals Google Search for Kingite Mineral News Website Link Rock and Mineral Shows Google Search for Kingite Weinrich Minerals, Inc. Google Search for Kingite Ask about Kingite here : Print or Cut-and-Paste your Kingite Specimen Label here :
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