Juangodoyite Mineral Data

Juangodoyite Mineral Data
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General Juangodoyite Information

Help on Chemical Formula: Chemical Formula: Na2Cu(CO3)2
Help on Composition: Composition: Molecular Weight = 229.51 gm
   Sodium  20.83 %  Na   28.08 % Na2O
   Copper  27.13 %  Cu   33.97 % CuO
   Carbon  10.41 %  C    38.16 % CO2
   Oxygen  41.62 %  O
          ______        ______ 
          100.00 %      100.21 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.08Cu0.98(CO3)1.99
Help on Environment: Environment: Fine-grained pseudomorph after chalconatronite in the oxidation zone of the Santa Rosa mine,
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Mina Santa Rosa, Iquique, Atamaca desert, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Juan Godoy, who discovered the Chaņarcillo silver mine in 1832.
Help on Synonym: Synonym: IMA2004-036
 

Juangodoyite Image

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Juangodoyite

Comments: Rich blue veinlets of juangodoyite in matrix..
Location: Mina Santa Rosa, Iquique, Chile. Scale: 3.5x2.9x2.2 cm.
© Richard Dale / Dale Minerals
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Juangodoyite   Sanromanite   Chalconatronite

Comments: Yellowish, long balded sanromanite crystals in vug with platy, blue juangodoyite replacing green chalconatronite.
Location: Santa Rosa mine, Iquique Province, Tarapaca, Chile. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Juangodoyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7552:1:0.6908
Help on Cell Dimensions: Cell Dimensions: a = 6.171, b = 8.171, c = 5.645, Z = 2; beta = 116.23° V = 255.33 Den(Calc)= 2.99
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.666(1)(112), 4.258(0.75)(111), 5.056(0.66)(001 ), 2.619(0.65)(210 ), 4.575(0.57)(110 ), 4.298(0.37)(011 ), 2.45(0.33)(221), 2.907(0.32)(111 ), 2.39(0.25)(131
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Maslen E N , Spadaccini N , Watson K J , Acta Crystallographica, Section B , 42 (1986) p.430-436, Electron density in non-ideal metal complexes. II. Sodium, bis(carbonato)cuprate(II), Locality: synthetic

 

Physical Properties of Juangodoyite

Help on Color: Color: Bright blue.
Help on Habit: Habit: Pseudomorphous - Occurs in the form of another mineral.
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: blue
 

Optical Properties of Juangodoyite

Help on Optical Data: Optical Data: NCalc= 1.57 - from Gladstone-Dale relationship (KC = 0.1916) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Juangodoyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.89 gm/cc
note: Specific Gravity of Juangodoyite =2.99 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013453263
Boson Index = 0.9986546737
Help on Photoelectric: Photoelectric: PEJuangodoyite = 12.27 barns/electron
U=PEJuangodoyite x rElectron Density= 35.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Juangodoyite is Not Radioactive
 

Juangodoyite Classification
Help on Dana Class: Dana Class: 14.03.06.01 (14)Anhydrous Carbonates
  (14.03)with Compound Formula A+2 B++ (CO3)2
  (14.03.06)Dana Group
 
14.03.06.01 Juangodoyite! Na2Cu(CO3)2 P 21/a 2/m
Help on Strunz Class: Strunz Class: 05.AB.60 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AB -Alkali-earth (and other M2+) carbonates
 
05.AB.60 Juangodoyite! Na2Cu(CO3)2 P 21/a 2/m
 

Other Juangodoyite Information
Help on References: References: NAME( AmMin, v91, p1204) PHYS. PROP.(AmMin, v91, p1204)
Help on See Also: See Also: Links to other databases for Juangodoyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Juangodoyite

Na2Cu(CO3)2
Dana No: 14.03.06.01 Strunz No: 05.AB.60
Locality:

 

Notes: