Santarosaite Mineral Data

Santarosaite Mineral Data
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General Santarosaite Information

Help on Chemical Formula: Chemical Formula: CuB2O4
Help on Composition: Composition: Molecular Weight = 149.03 gm
   Calcium   1.34 %  Ca    1.88 % CaO
   Copper   36.67 %  Cu   45.90 % CuO
   Boron    14.87 %  B    47.88 % B2O3
   Lead      4.17 %  Pb    4.49 % PbO
   Oxygen   42.94 %  O
           ______        ______ 
           100.00 %      100.16 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu0.86Pb0.03Ca0.05B2.05O4
Help on Environment: Environment: From the oxidation zone of a polymetallic (silver, copper, lead) ore deposit. Natural analogue of copper metaborate.
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Mina Santa Rosa, Iquique, Northern Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the mine which was named after St. Rose of Lima (1586-1617), first Catholic American saint.
Help on Synonym: Synonym: IMA2007-013
 

Santarosaite Image

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Santarosaite

Comments: Druzy rosettes of blue santarosaite on matrix.
Location: Santa Rosa mine, Iquique Province, Chile. Scale: Rosette Size 0.3 mm.
© Tom Loomis / Dakota Matrix
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Santarosaite   Atacamite

Comments: Encrustations of santarosaite (Cotype Specimen, MD212; blue) with atacamite (green) and anhydrite (white) on matrix. Discovered by Arturo Molina, Iquique, Chile in 2003. Holotype, sample MD 87, largely used up for the examinations.
Location: Santa Rosa Mine, Iquique, Chile. Scale: Sample Width 3 cm.
© K.C. Lyncker, Hamburg / German Type Specimen Catalogue

Santarosaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:0.48901
Help on Cell Dimensions: Cell Dimensions: a = 11.517, c = 5.632, Z = 12; V = 747.04 Den(Calc)= 3.97
Help on Crystal System: Crystal System: Tetragonal - ScalenohedralH-M Symbol (4 2m) Space Group: I 42d;
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.797(1), 3.638(0.47), 2.775(0.35),2.501(0.26), 2.572(0.26), 1.822(0.21), 1.793(0.2), 2.876(0.17),
 

Physical Properties of Santarosaite

Help on Color: Color: Vivid blue.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Help on Streak: Streak: pale blue
 

Optical Properties of Santarosaite

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 1.76 - from Gladstone-Dale relationship (KC = 0.1909) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Santarosaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.76 gm/cc
note: Specific Gravity of Santarosaite =3.97 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PESantarosaite = 84.15 barns/electron
U=PESantarosaite x rElectron Density= 316.74 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Santarosaite is Not Radioactive
 

Santarosaite Classification
Help on Dana Class: Dana Class: 24.05.02.02 (24)Borates - Anhydrous
  (24.05)with miscellaneous formulae
  (24.05.02)Dana Group
 
24.05.02.01 Calciborite CaB2O4 Pccn 2/m 2/m 2/m
 
24.05.02.02 Santarosaite! CuB2O4 I 42d; 4 2m
Help on Strunz Class: Strunz Class: 06.BD.05 06 - BORATES
  06.B - Diborates
  06.BD -Tektodiborates with tetrahedra
 
06.BD.05 Santarosaite! CuB2O4 I 42d; 4 2m
 

Other Santarosaite Information
Help on References: References: NAME( AmMin, v93:402) PHYS. PROP.(AmMin, v93:402) OPTIC PROP.(AmMin, v93:402)
Help on See Also: See Also: Links to other databases for Santarosaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Santarosaite

CuB2O4
Dana No: 24.05.02.02 Strunz No: 06.BD.05
Locality:

 

Notes: