Rosiaite Mineral Data

Rosiaite Mineral Data
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General Rosiaite Information

Help on Chemical Formula: Chemical Formula: PbSb+++++2O6
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: PbSb2O6
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Cetine di Cotorniano Mine (Cetine Mine), Rosia, Siena Province, Tuscany, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Rosiaite Say ROSIAITE
Help on Synonym: Synonym: ICSD 202391
  IMA1995-021
  PDF 34-912
 

Rosiaite Image

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Rosiaite   Valentinite

Comments: Beige crystals of rosiaite with a colorless valentinite prism.
Location: Tafone Mine, Manciano, Grosseto, Tuscany, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rosiaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.01454
Help on Cell Dimensions: Cell Dimensions: a = 5.295, c = 5.372, Z = 1; V = 130.44 Den(Calc)= 6.96
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 31m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.488(1), 2.648(0.35), 2.109(0.22),
Click Here for Large Rosiaite Structure Window Crystal Structure:

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Basso R , Lucchetti G , Zefiro L , Palenzona A , European Journal of Mineralogy , 8 (1996) p.487-492, Rosiaite, PbSb2O6, a new mineral from the Cetine mine, Siena, Italy, Locality: Cetine mine, Siena, Italy

 

Physical Properties of Rosiaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Light yellow.
Help on Density: Density: 6.96
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Resinous
Help on Streak: Streak: white
 

Optical Properties of Rosiaite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Uniaxial (-), e=1.92, w=2.092, bire=0.1720.
 

Calculated Properties of Rosiaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.91 gm/cc
note: Specific Gravity of Rosiaite =6.96 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.08
Boson Index = 0.92
Help on Photoelectric: Photoelectric: PERosiaite = 839.85 barns/electron
U=PERosiaite x rElectron Density=4,961.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rosiaite is Not Radioactive
 

Rosiaite Classification
Help on Dana Class: Dana Class: 08.03.11.02 (08)Multiple Oxides with Nb, Ta, and Ti
  (08.03)where A (B2O6)
  (08.03.11)Dana Group
 
08.03.11.01 Changbaiite PbNb2O6 R 3m 3m
 
08.03.11.02 Rosiaite! PbSb2O6 P 31m 3 2/m
Help on Strunz Class: 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
 
04.DH.25 Rosiaite! PbSb2O6 P 31m 3 2/m
 

Other Rosiaite Information
Help on References: References: PHYS. PROP.(Eur. J. Min.,Vol.8,p487-492,1996) OPTIC PROP.(Eur. J. Min.,Vol.8,p487-492,1996)
Help on See Also: See Also: Links to other databases for Rosiaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Print or Cut-and-Paste your Rosiaite Specimen Label here :

Rosiaite

PbSb+++++2O6
Dana No: 08.03.11.02 Strunz No: 04.DH.25
Locality:

 

Notes: