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Mantienneite Mineral Data + |

General Mantienneite Information |
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| KMg2Al2Ti(PO4)4(OH)3·15(H2O) | |||
| Molecular Weight = 890.69 gm | |||
| Potassium 4.39 % K 5.29 % K2O | |||
| Magnesium 5.46 % Mg 9.05 % MgO | |||
| Titanium 5.38 % Ti 8.97 % TiO2 | |||
| Aluminum 6.06 % Al 11.45 % Al2O3 | |||
| Phosphorus 13.91 % P 31.87 % P2O5 | |||
| Hydrogen 3.73 % H 33.37 % H2O | |||
| Oxygen 61.07 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| KMg2Al2Ti(PO4)4(OH)3·15(H2O) | |||
| Approved IMA 1984 | |||
| Link to MinDat.org Location Data. | |||
Search for Mantienneite Images | |||
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Mantienneite Crystallography |
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| a:b:c =0.512:1:0.6056 | |||
| a = 10.409, b = 20.33, c = 12.312, Z = 4; V = 2,605.40 Den(Calc)= 2.27 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca | |||
| By Intensity(I/Io): 6.158(1), 3.076(0.6), 10.18(0.4), | |||
Physical Properties of Mantienneite |
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| [001] Perfect, [010] Indistinct | |||
| Yellow brown. | |||
| 2.31 | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| 3 - Calcite | |||
| Vitreous (Glassy) | |||
| reddish gray | |||
Optical Properties of Mantienneite |
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| CI meas= 0.03 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2559,KPDmeas= 0.2515,KC= 0.2592 |
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| Biaxial (-), a=1.564, g=1.598, bire=0.0340, 2V(Meas)=50-60. | |||
Calculated Properties of Mantienneite |
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relectron=2.32 gm/cc |
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| Fermion Index = 0.01271 Boson Index = 0.98729 |
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PEMantienneite = 2.32 barns/electron |
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| GRapi = 64.85 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Mantienneite |
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Mantienneite Classification |
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| 42.11.21.2 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.21)Dana Group | |||
| VII/D.33-10 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K | |||
| VII/D.33 - Montgomeryite group, Mantienneite - Benyacarite series | |||
Other Mantienneite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Mantienneite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Mantienneite using: Visit our Advertisers for Mantienneite : Translate Mantienneite Mineral Data : Ask about Mantienneite here : Print or Cut-and-Paste your Mantienneite Specimen Label here :
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