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Nanpingite Mineral Data + |
General Nanpingite Information |
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| Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2 | |||
| Molecular Weight = 487.97 gm | |||
| Cesium 24.51 % Cs 25.99 % Cs2O | |||
| Lithium 0.28 % Li 0.61 % Li2O | |||
| Magnesium 1.00 % Mg 1.65 % MgO | |||
| Aluminum 13.27 % Al 25.07 % Al2O3 | |||
| Iron 2.29 % Fe 2.94 % FeO | |||
| Silicon 18.42 % Si 39.40 % SiO2 | |||
| Hydrogen 0.37 % H 3.32 % H2O | |||
| Oxygen 38.69 % O | |||
| Fluorine 1.17 % F 1.17 % F | |||
| - % F -0.49 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 99.67 % = TOTAL OXIDE | |||
| Cs0.9Al1.6Mg0.2Fe2+0.2Li0.2Si3.2Al0.8O10(OH)1.8F0.3 | |||
| Veinlets in a pollucite-rich middle zone of a muscovite-albite-spodumene pegmatite. | |||
| Approved IMA 1990 | |||
| Nanping area, Fukien Province, China. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
Search for Nanpingite Images | |||
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Nanpingite Crystallography |
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| a:b:c =0.6051:1:2.4176 | |||
| a = 5.362, b = 8.86, c = 21.42, Z = 4; beta = 95.77° V = 1,012.45 Den(Calc)= 3.20 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 2.664(1), 2.129(0.85), 2.122(0.16), | |||
Physical Properties of Nanpingite |
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| [001] Perfect | |||
| White, Silver white. | |||
| 3.11 | |||
| Transparent to Translucent | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Crystalline - Fine - Occurs as well-formed fine sized crystals. | |||
| Pseudo Hexagonal - Crystals show a hexagonal outline. | |||
| Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) | |||
| 2.5-3 - Finger Nail-Calcite | |||
| Vitreous - Pearly | |||
| white | |||
Optical Properties of Nanpingite |
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| CI meas= 0.014 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.042 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1795,KPDmeas= 0.1847,KC= 0.1874 |
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| Biaxial (-), a=1.551, b=1.584, g=1.588, bire=0.0370, 2V(Calc)=36, 2V(Meas)=46. Dispersion r > v weak. | |||
Calculated Properties of Nanpingite |
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relectron=2.96 gm/cc |
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| Fermion Index = 0.01048 Boson Index = 0.98952 |
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PENanpingite = 99.89 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Nanpingite is Not Radioactive |
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Nanpingite Classification |
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| 71.2.2a.8 (71)Phyllosilicate Sheets of Six-Membered Rings | |||
| (71.2)with 2:1 Layers | |||
| (71.2.2a)Mica Group (Muscovite subgroup) | |||
| VIII/H.10-110 VIII - Silicates | |||
| VIII/H - Phyllosilicates (layered) Mica like layered silicates with [Si4O10]4- and related groups | |||
| VIII/H.10 - Mica group, Muscovite series | |||
Other Nanpingite Information |
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| NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.75,p709,1990) OPTIC PROP.(Am.Min.,Vol.75,p709,1990) | |||
| Links to other databases for Nanpingite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Nanpingite using: Visit our Advertisers for Nanpingite : Translate Nanpingite Mineral Data : Ask about Nanpingite here : Print or Cut-and-Paste your Nanpingite Specimen Label here :
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