General Juangodoyite Information Chemical Formula: |
Na2Cu(CO3)2 |
Composition: |
Molecular Weight = 229.51 gm |
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Sodium 20.83 % Na 28.08 % Na2O |
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Copper 27.13 % Cu 33.97 % CuO |
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Carbon 10.41 % C 38.16 % CO2 |
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Oxygen 41.62 % O |
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______ ______ |
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100.00 % 100.21 % = TOTAL OXIDE |
Empirical Formula: |
Na2.08Cu0.98(CO3)1.99 |
Environment: |
Fine-grained pseudomorph after chalconatronite in the oxidation zone of the Santa Rosa mine, |
IMA Status: |
Approved IMA 2004 (Dana # Added) |
Locality: |
Mina Santa Rosa, Iquique, Atamaca desert, Chile Link to MinDat.org Location Data. |
Name Origin: |
Named for Juan Godoy, who discovered the Chaņarcillo silver mine in 1832. |
Synonym: |
IMA2004-036 |
| | Juangodoyite Image
Images:
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Images:
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Juangodoyite Crystallography Axial Ratios: |
a:b:c =0.7552:1:0.6908 |
Cell Dimensions: |
a = 6.171, b = 8.171, c = 5.645, Z = 2; beta = 116.23° V = 255.33 Den(Calc)= 2.99 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
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 |
Crystal Structure:
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Mouse
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| Physical Properties of Juangodoyite Color: |
Bright blue. |
Habit: |
Pseudomorphous - Occurs in the form of another mineral. |
Luster: |
Earthy (Dull) |
Streak: |
blue |
| Optical Properties of Juangodoyite Optical Data: |
NCalc= 1.57 - from Gladstone-Dale relationship (KC = 0.1916) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of Juangodoyite Electron Density: |
Bulk Density (Electron Density)=2.89 gm/cc |
note: Specific Gravity of Juangodoyite =2.99 gm/cc. Fermion Index: |
Fermion Index = 0.0013453263 |
Boson Index = 0.9986546737 Photoelectric: |
PEJuangodoyite = 12.27 barns/electron |
U=PEJuangodoyite x rElectron Density= 35.49 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Juangodoyite is Not Radioactive | Juangodoyite Classification Dana Class: |
14.03.06.01 (14)Anhydrous Carbonates |
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(14.03)with Compound Formula A+2 B++ (CO3)2 |
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(14.03.06)Dana Group |
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Strunz Class: |
05.AB.60 05 - CARBONATES (NITRATES) |
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05.A - Carbonates without additional anions, without H2O |
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05.AB -Alkali-earth (and other M2+) carbonates |
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| Other Juangodoyite Information References: |
NAME( AmMin, v91, p1204) PHYS. PROP.(AmMin, v91, p1204) |
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 Search for Juangodoyite using: Visit our Advertisers for Juangodoyite : A Bijoux Google Search for JuangodoyiteAdam's Minerals Google Search for Juangodoyite Cape Minerals Google Search for Juangodoyite Dakota Matrix Minerals Google Search for Juangodoyite Excalibur Mineral Corp. Google Search for Juangodoyite Exceptional Minerals Google Search for Juangodoyite John Betts Fine Minerals Search for Juangodoyite McDougall Minerals Google Search for Juangodoyite Mineral News Website Link Rock and Mineral Shows Google Search for Juangodoyite Weinrich Minerals, Inc. Google Search for Juangodoyite Ask about Juangodoyite here : Print or Cut-and-Paste your Juangodoyite Specimen Label here :
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