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Palermoite Mineral Data + |

General Palermoite Information |
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| (Sr,Ca)(Li,Na)2Al4(PO4)4(OH)4 | |||
| Molecular Weight = 653.48 gm | |||
| Sodium 1.76 % Na 2.37 % Na2O | |||
| Strontium 10.06 % Sr 11.89 % SrO | |||
| Lithium 1.59 % Li 3.43 % Li2O | |||
| Calcium 1.53 % Ca 2.15 % CaO | |||
| Aluminum 16.52 % Al 31.21 % Al2O3 | |||
| Phosphorus 18.96 % P 43.44 % P2O5 | |||
| Hydrogen 0.62 % H 5.51 % H2O | |||
| Oxygen 48.97 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Sr0.75Ca0.25Li1.5Na0.5Al4(PO4)4(OH)4 | |||
| In cavities in a pegmatite. | |||
| Valid Species (Pre-IMA) 1952 | |||
| Palermon No. 1 mine, North Groton, New Hampshire, USA. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| ICSD 4262 | |||
| PDF 18-950 | |||
Palermoite Image | |||
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Palermoite Crystallography |
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| a:b:c =0.4615:1:0.7291 | |||
| a = 7.315, b = 15.849, c = 11.556, Z = 4; V = 1,339.75 Den(Calc)= 3.24 | |||
| Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: I mmm | |||
| By Intensity(I/Io): 3.089(1), 4.36(0.64), 3.129(0.6), | |||
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Physical Properties of Palermoite |
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| [100] Perfect, [001] Distinct | |||
| Colorless, White. | |||
| 3.22 | |||
| Transparent | |||
| Brittle - Splintery - Brittle fracture leaving splintery fragments. | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Fibrous - Crystals made up of fibers. | |||
| 5.5 - Knife Blade | |||
| Vitreous - Adamantine | |||
| white | |||
Optical Properties of Palermoite |
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| CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.014 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1968,KPDmeas= 0.198,KC= 0.1996 |
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| Biaxial (-), a=1.627, b=1.642, g=1.644, bire=0.0170, 2V(Calc)=38, 2V(Meas)=20. | |||
Calculated Properties of Palermoite |
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relectron=3.15 gm/cc |
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| Fermion Index = 0.00849 Boson Index = 0.99151 |
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PEPalermoite = 12.51 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Palermoite is Not Radioactive |
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Palermoite Classification |
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| 41.7.1.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.7)where (A B)m (XO4)4 Zq | |||
| (41.7.1)Dana Group | |||
| VII/B.28-20 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.28 - Carminite series | |||
Other Palermoite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Palermoite : 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 Palermoite using: Visit our Advertisers for Palermoite : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Palermoite Mineral Data : Ask about Palermoite here : Print or Cut-and-Paste your Palermoite Specimen Label here :
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