[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery] Dakota Matrix Minerals Updated weekly, for the collector, educator, and researcher since 1996 Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome General Pollucite Information(Cs,Na)2Al2Si4O12•(H2O) |
Molecular Weight = 285.03 gm |
|
Cesium 27.98 % Cs 29.66 % Cs2O |
|
Rubidium 1.20 % Rb 1.31 % Rb2O |
|
Sodium 1.61 % Na 2.17 % Na2O |
|
Aluminum 8.52 % Al 16.10 % Al2O3 |
|
Silicon 20.69 % Si 44.27 % SiO2 |
|
Hydrogen 0.71 % H 6.32 % H2O |
|
Oxygen 39.29 % O |
|
______ ______ |
|
100.00 % 99.83 % = TOTAL OXIDE |
Cs0.6Na0.2Rb0.04Al0.9Si2.1O6•(H2O) |
Lithium-rich granitic pegmatites. Forms a series with analcime. |
Valid Species (Pre-IMA) 1846 |
Elba, Italy Link to MinDat.org Location Data. |
Named after Pollux, a figure from Greek mythology, brother of Castor, for its common association with "castorite" (petalite). |
Pollucite + Pronunciation |
ICSD 39895 |
|
PDF 25-194 |
| | Pollucite Image
|
|
Pollucite Crystallographya = 13.682, Z = 16; V = 2,561.23 Den(Calc)= 2.96 |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d |
By Intensity(I/Io): 2.907(1), 3.421(1), 3.652(0.8), |
|
Mouse
|
| Physical Properties of PolluciteNone |
Colorless, White, Gray, Pale pink, Blue. |
2.9 |
Transparent |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Massive - Uniformly indistinguishable crystals forming large masses. |
6.5 - Pyrite |
Fluorescent, Short UV=cream white blue green, Long UV=weak orange. |
Vitreous - Dull |
Nonmagnetic |
white |
| Optical Properties of PolluciteCI meas= 0.046 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.066 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1757,KPDmeas= 0.1793,KC= 0.188 Ncalc = 1.55 - 1.56 Isotropic, n=1.52. |
| Calculated Properties of PolluciteBulk Density (Electron Density)=2.76 gm/cc |
note: Specific Gravity of Pollucite =2.90 gm/cc. Fermion Index = 0.0098528604 |
Boson Index = 0.9901471396 PEPollucite = 114.28 barns/electron |
U=PEPollucite x relectron= 315.74 barns/cc. |
GRapi = 484.85 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Pollucite | Pollucite Classification77.01.01.02 (77)Tectosilicate Zeolite group |
|
(77.01)true zeolites |
|
(77.01.01)Analcime and related species |
|
|
|
|
|
09.GB.05 09 - SILICATES (Germanates) |
|
09.G - Tektosilicates with Zeolitic H2O |
|
09.GB -Chains of single connected 4-membered rings |
|
|
|
|
|
|
|
| Other Pollucite InformationNAME( AntBidBlaNic2) PHYS. PROP.(Collectors Book of Fluorescent Minerals) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Pollucite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info 15 - Scandinavian mineral gallery 16 - WWW-MINCRYST Search for Pollucite using: Visit our Advertisers for Pollucite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Pollucite Mineral Data : Ask about Pollucite here : Print or Cut-and-Paste your Pollucite Specimen Label here :
| |
|
| | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||