General Rosiaite Information Chemical Formula: |
PbSb+++++2O6 |
Composition: |
Molecular Weight = 546.70 gm |
|
Antimony 44.54 % Sb 59.17 % Sb2O5 |
|
Lead 37.90 % Pb 40.83 % PbO |
|
Oxygen 17.56 % O |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
PbSb2O6 |
IMA Status: |
Approved IMA 1995 (Dana # Added) |
Locality: |
Cetine di Cotorniano Mine (Cetine Mine), Rosia, Siena Province, Tuscany, Italy Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Rosiaite |
Synonym: |
ICSD 202391 |
|
IMA1995-021 |
|
PDF 34-912 |
| | Rosiaite Image
Images:
|
|
Rosiaite Crystallography Axial Ratios: |
a:c = 1:1.01454 |
Cell Dimensions: |
a = 5.295, c = 5.372, Z = 1; V = 130.44 Den(Calc)= 6.96 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 31m |
X Ray Diffraction: |
By Intensity(I/Io): 3.488(1), 2.648(0.35), 2.109(0.22), |
Crystal Structure:
|
Mouse
|
| Physical Properties of Rosiaite Cleavage: |
None |
Color: |
Colorless, Light yellow. |
Density: |
6.96 |
Diaphaneity: |
Transparent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Hardness: |
5.5 - Knife Blade |
Luster: |
Resinous |
Streak: |
white |
| Optical Properties of Rosiaite Gladstone-Dale: |
CI meas= 0.002 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1445,KPDmeas= 0.1445,KC= 0.1448 Ncalc = 2.01 Optical Data: |
Uniaxial (-), e=1.92, w=2.092, bire=0.1720. |
| Calculated Properties of Rosiaite Electron Density: |
Bulk Density (Electron Density)=5.91 gm/cc |
note: Specific Gravity of Rosiaite =6.96 gm/cc. Fermion Index: |
Fermion Index = 0.08 |
Boson Index = 0.92 Photoelectric: |
PERosiaite = 839.85 barns/electron |
U=PERosiaite x rElectron Density=4,961.17 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Rosiaite is Not Radioactive | Rosiaite Classification Dana Class: |
08.03.11.02 (08)Multiple Oxides with Nb, Ta, and Ti |
|
(08.03)where A (B2O6) |
|
(08.03.11)Dana Group |
|
|
Strunz Class: |
04.DH.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
|
04.D - Metal:Oxygen = 1:2 and similar |
|
04.DH -With large (± medium-sized) cations; sheets of edge-sharing octahedra |
|
| Other Rosiaite Information References: |
PHYS. PROP.(Eur. J. Min.,Vol.8,p487-492,1996) OPTIC PROP.(Eur. J. Min.,Vol.8,p487-492,1996) |
See Also: |
Links to other databases for Rosiaite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - Handbook of Mineralogy (MinSocAm) 7 - Handbook of Mineralogy (UofA) 8 - MinDAT 9 - Mineralienatlas (Deutsch) 10 - Online Mineral Museum 11 - QUT Mineral Atlas 12 - Ruff.Info 13 - WWW-MINCRYST Search for Rosiaite using: Visit our Advertisers for Rosiaite : A Bijoux Google Search for RosiaiteAdam's Minerals Google Search for Rosiaite Cape Minerals Google Search for Rosiaite Dakota Matrix Minerals Google Search for Rosiaite Excalibur Mineral Corp. Google Search for Rosiaite Exceptional Minerals Google Search for Rosiaite John Betts Fine Minerals Search for Rosiaite McDougall Minerals Google Search for Rosiaite Mineral News Website Link Rock and Mineral Shows Google Search for Rosiaite Weinrich Minerals, Inc. Google Search for Rosiaite Ask about Rosiaite here : Print or Cut-and-Paste your Rosiaite Specimen Label here :
| |
|
| |