|
| Home | Crystal | jmol | jPOWD | Chem | X Ray | Dana | Strunz | Properties | A to Z | Images | Share | News | Help | About |
General Wattevilleite Information |
|||
 Chemical Formula: |
Na2Ca(SO4)2•4(H2O) (?) | ||
| Composition: |
Molecular Weight = 350.25 gm | ||
| Sodium 13.13 % Na 17.70 % Na2O | |||
| Calcium 11.44 % Ca 16.01 % CaO | |||
| Hydrogen 2.30 % H 20.57 % H2O | |||
| Sulfur 18.31 % S 45.72 % SO3 | |||
| Oxygen 54.82 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na2Ca(SO4)2•4(H2O) | ||
| Environment: |
A questionable species. Associated with other sulfates in a pyritic lignite. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1879 | ||
| Locality: |
Einigkeit mine, Bauersberg, near Bischofsheim, Bavaria, Germany. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Oscar de Watteville of Paris, France. | ||
| Name Pronunciation: |
Wattevilleite + Pronunciation  |
||
Wattevilleite Image | |||
|
Images:
|
|
||
Wattevilleite Crystallography |
|||
| Crystal System: |
OrthorhombicSpace Group: Unk | ||
| X Ray Diffraction: |
By Intensity(I/Io): 4.39(1), 4.2(0.6), 2.89(0.5),2.95(0.5), 5.44(0.5), 2.67(0.4), 4.03(0.4), 5.1(0.4), | ||
Physical Properties of Wattevilleite |
|||
| Color: |
White. | ||
| Density: |
1.81 | ||
| Habit: |
Acicular - Occurs as needle-like crystals. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Luster: |
Silky | ||
| Streak: |
white | ||
Optical Properties of Wattevilleite |
|||
| Gladstone-Dale: |
CI meas= -0.139 (Poor) - where the CI = (1-KPDmeas/KC) KPDmeas= 0.2484,KC= 0.2181 Ncalc = 1.39 |
||
| Optical Data: |
Biaxial (-), a=1.435, b=1.455, g=1.459, bire=0.0240, 2V(Calc)=46, 2V(Meas)=48. Dispersion dispersion not observed. | ||
Calculated Properties of Wattevilleite |
|||
| Electron Density: |
Bulk Density (Electron Density)=1.84 gm/cc note: Specific Gravity of Wattevilleite =1.81 gm/cc. |
||
| Fermion Index: |
Fermion Index = 0.0017943435 Boson Index = 0.9982056565 |
||
| Photoelectric: |
PEWattevilleite = 2.74 barns/electron U=PEWattevilleite x rElectron Density= 5.04 barns/cc. |
||
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Wattevilleite is Not Radioactive |
||
Wattevilleite Classification |
|||
| Dana Class: |
29.03.04.01 (29)Hydrated Acid and Sulfates | ||
| (29.03)where (A+)2 B (XO4)2 · x(H2O) | |||
| (29.03.04)Dana Group | |||
| Strunz Class: |
07.CC.85 07 - SULFATES (SELENATES, TELLURATES) | ||
| 07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O | |||
| 07.CC -With medium-sized and large cations | |||
Other Wattevilleite Information |
|||
| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Wattevilleite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - GeoScienceWorld 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info Search for Wattevilleite using: Visit our Advertisers for Wattevilleite : A Bijoux Google Search for WattevilleiteAdam's Minerals Google Search for Wattevilleite Cape Minerals Google Search for Wattevilleite Dakota Matrix Minerals Google Search for Wattevilleite Excalibur Mineral Corp. Google Search for Wattevilleite Exceptional Minerals Google Search for Wattevilleite John Betts Fine Minerals Search for Wattevilleite McDougall Minerals Google Search for Wattevilleite Mineral News Website Link Rock and Mineral Shows Google Search for Wattevilleite Weinrich Minerals, Inc. Google Search for Wattevilleite Ask about Wattevilleite here : Print or Cut-and-Paste your Wattevilleite Specimen Label here :
|
||
