| Lunokite Mineral Data |
General Lunokite Information |
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| (Mn,Ca)(Mg,Fe++,Mn)Al(PO4)2(OH)·4(H2O) | |||
| Molecular Weight = 396.13 gm | |||
| Calcium 2.02 % Ca 2.83 % CaO | |||
| Magnesium 2.45 % Mg 4.07 % MgO | |||
| Manganese 15.26 % Mn 19.70 % MnO | |||
| Aluminum 7.49 % Al 14.16 % Al2O3 | |||
| Iron 2.82 % Fe 3.63 % FeO | |||
| Phosphorus 15.64 % P 35.83 % P2O5 | |||
| Hydrogen 2.21 % H 19.78 % H2O | |||
| Oxygen 52.10 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+0.8Ca0.2Mg0.4Fe2+0.2Mn2+0.3Al1.1(PO4)2(OH)1.1·3.8(H2O) | |||
| In fractures and on crusts of mitridatite in granite pegmatites. | |||
| Approved IMA 1983 | |||
| On Mt. Vasin-Myl'k, Voron'i massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. | |||
| Named for the Lun'ok River, nearby Mt. Vasin-Myl'k, Russia. | |||
| Lun'okite | |||
Search for Lunokite Images | |||
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Lunokite Crystallography |
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| a:b:c =0.799:1:0.3719 | |||
| a = 14.95, b = 18.71, c = 6.96, Z = 8; V = 1,946.81 Den(Calc)= 2.70 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P bca | |||
| By Intensity(I/Io): 2.809(1), 9.39(0.9), 2.92(0.7), | |||
Physical Properties of Lunokite |
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| [010] Perfect, [001] Imperfect | |||
| Colorless, White. | |||
| 2.66 | |||
| Transparent | |||
| Acicular - Occurs as needle-like crystals. | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| 3-4 - Calcite-Fluorite | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Lunokite |
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| CI meas= -0.032 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.017 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2256,KPDmeas= 0.2289,KC= 0.2219 |
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| Biaxial (+), a=1.603, b=1.608, g=1.616, bire=0.0130, 2V(Calc)=78, 2V(Meas)=70. Dispersion r > v. | |||
Calculated Properties of Lunokite |
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relectron=2.70 gm/cc |
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| Fermion Index = 0.00333 Boson Index = 0.99667 |
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PELunokite = 5.92 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Lunokite is Not Radioactive |
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Lunokite Classification |
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| 42.11.1.4 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.1)Dana Group | |||
| VII/D.28-40 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.28 - Overite- Segelerite group | |||
Other Lunokite Information |
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| NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(AntBidBlaNic4) | |||
| Links to other databases for Lunokite : 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 Search for Lunokite using: Visit our Advertisers for Lunokite : Translate Lunokite Mineral Data : Ask about Lunokite here : Print or Cut-and-Paste your Lunokite Specimen Label here :
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