Pabstite Mineral Data + 
|
[Express Minerals] [Minerals for Sale] [About Us] [En Espa�±ol] [Mineral Gallery]
Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996
- 59.1.1.1 Bazirite BaZrSi3O9 P 6m2 6 m2
- 59.1.1.2 Benitoite BaTiSi3O9 P 6c2 6 m2
- 59.1.1.3 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2
- 59.1.1.4 Wadeite K2ZrSi3O9 P 63/m 6/m
- VIII/E.01-10 Benitoite BaTiSi3O9 P 6c2 6 m2
- VIII/E.01-20 Pabstite Ba(Sn,Ti)Si3O9 P 6c2 6 m2
- VIII/E.01-30 Bazirite BaZrSi3O9 P 6m2 6 m2
- VIII/E.01-40 Wadeite K2ZrSi3O9 P 63/m 6/m
General Pabstite Information |
|||
 Chemical Formula: |
Ba(Sn,Ti)Si3O9 | ||
| Composition: |
Molecular Weight = 466.58 gm | ||
| Barium 29.43 % Ba 32.86 % BaO | |||
| Titanium 2.57 % Ti 4.28 % TiO2 | |||
| Silicon 18.06 % Si 38.63 % SiO2 | |||
| Tin 19.08 % Sn 24.23 % SnO2 | |||
| Oxygen 30.86 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
BaSn0.75Ti0.25Si3O9 | ||
| Environment: |
Recrystallized siliceous limestone with Sn sulfides. | ||
| IMA Status: |
Approved IMA 1965 | ||
| Locality: |
Kalkar quarry, north of Santa Cruz, Santa Cruz Co., California. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Adolph Pabst (1899-1990), American mineralogist, University of California at Berekey | ||
| Synonym: |
ICSD 10385 | ||
| PDF 43-633 | |||
Pabstite Image | |||
|
Images:
|
|
||
Pabstite Crystallography |
|||
| Axial Ratios: |
a:c = 1:1.4657 | ||
| Cell Dimensions: |
a = 6.706, c = 9.829, Z = 2; V = 382.80 Den(Calc)= 4.05 | ||
| Crystal System: |
Hexagonal - Ditrigonal DipyramidalH-M Symbol (6 m2) Space Group: P 6c2 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.77(1), 2.78(0.9), 3.37(0.5), | ||
|
Crystal Structure:
Mouse |
| ||
Physical Properties of Pabstite |
|||
| Color: |
Colorless, White. | ||
| Density: |
4.03 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes | ||
| Hardness: |
6 - Orthoclase | ||
| Luminescence: |
Fluorescent, Short UV=bright blue. | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Pabstite |
|||
| Dichroism (e): |
colorless. | ||
| Dichroism (w): |
colorless. | ||
| Gladstone-Dale: |
CI meas= 0.03 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.035 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1678,KPDmeas= 0.1686,KC= 0.1739 |
||
| Optical Data: |
Uniaxial (-), e=1.674, w=1.685, bire=0.0110. | ||
Calculated Properties of Pabstite |
|||
| Electron Density: |
relectron=3.68 gm/cc |
||
| Fermion Index |
Fermion Index = 0.09606 Boson Index = 0.90394 |
||
| Photoelectric: |
PEPabstite = 187.97 barns/electron |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Pabstite is Not Radioactive |
||
Pabstite Classification |
|||
| Dana Class: |
59.1.1.3 (59)Cyclosilicate Three-Membered Rings | ||
| (59.1)anhydrous, no other anions | |||
| (59.1.1)Benitoite group | |||
| Strunz Class: |
VIII/E.01-20 VIII - Silicates | ||
| VIII/E - Cyklosilicates, triplet rings [Si3O9]6- | |||
| VIII/E.01 - Benitoite series | |||
Other Pabstite Information |
|||
| References: |
NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Pabstite : 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 Pabstite using: Visit our Advertisers for Pabstite : Translate Pabstite Mineral Data : Ask about Pabstite here : Print or Cut-and-Paste your Pabstite Specimen Label here :
|
||
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |