Palmierite Mineral Data + 
|
[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974
- 28.4.3.1 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
- 28.4.3.2 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
- VI/A.08-10 Aphthitalite (K,Na)3Na(SO4)2 P 3m 3 2/m
- VI/A.08-20 Kalistrontite K2Sr(SO4)2 R 3m 3 2/m
- VI/A.08-30 Palmierite (K,Na)2Pb(SO4)2 R 3m 3 2/m
- VI/A.08-40 Glauberite Na2Ca(SO4)2 C 2/c 2/m
- VI/A.08-50 Anhydrite CaSO4 Amma 2/m 2/m 2/m
General Palmierite Information |
|||
 Chemical Formula: |
(K,Na)2Pb(SO4)2 | ||
| Composition: |
Molecular Weight = 469.47 gm | ||
| Potassium 12.49 % K 15.05 % K2O | |||
| Sodium 2.45 % Na 3.30 % Na2O | |||
| Lead 44.13 % Pb 47.54 % PbO | |||
| Sulfur 13.66 % S 34.11 % SO3 | |||
| Oxygen 27.26 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
K1.5Na0.5Pb(SO4)2 | ||
| IMA Status: |
Valid Species (Pre-IMA) 1907 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 27652 | ||
| PDF 29-1015 | |||
Search for Palmierite Images | |||
|
Images:
|
|
||
Palmierite Crystallography |
|||
| Axial Ratios: |
a:c = 1:3.79417 | ||
| Cell Dimensions: |
a = 5.495, c = 20.849, Z = 3; V = 545.19 Den(Calc)= 4.29 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.14(1), 1.24(0.9), 1.76(0.9), | ||
Physical Properties of Palmierite |
|||
| Color: |
Colorless, White. | ||
| Density: |
4.33 | ||
| Diaphaniety: |
Transparent | ||
| Hardness: |
2 - Gypsum | ||
| Luster: |
Vitreous - Pearly | ||
| Streak: |
white | ||
Optical Properties of Palmierite |
|||
| Gladstone-Dale: |
CI meas= -0.032 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= -0.041 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.166,KPDmeas= 0.1644,KC= 0.1594 |
||
| Optical Data: |
Uniaxial (-), w=1.712. | ||
Calculated Properties of Palmierite |
|||
| Electron Density: |
relectron=3.91 gm/cc |
||
| Fermion Index |
Fermion Index = 0.0987 Boson Index = 0.9013 |
||
| Photoelectric: |
PEPalmierite = 752.49 barns/electron |
||
| Radioactivity: |
GRapi = 162.78 (Gamma Ray American Petroleum Institute Units) Estimated Radioactivity from Palmierite |
||
Palmierite Classification |
|||
| Dana Class: |
28.4.3.1 (28)Anhydrous Acid and Sulfates | ||
| (28.4)with miscellaneous formulae | |||
| (28.4.3)Dana Group | |||
| Strunz Class: |
VI/A.08-30 VI - Sulfates,Chromates,Molybdates and Tungstates | ||
| VI/A - Waterfree sulfates [SO4]2- without unfamiliar anions. cations of very big size | |||
| VI/A.08 - Aphthitalite - Anhydrite series | |||
Other Palmierite Information |
|||
| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Palmierite : 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 Palmierite using: Visit our Advertisers for Palmierite : Translate Palmierite Mineral Data : Ask about Palmierite here : Print or Cut-and-Paste your Palmierite Specimen Label here :
|
||
- barely detectable 
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |