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Juangodoyite

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Juan Godoy
Formula:
Na2Cu(CO3)2
Colour:
vivid ultramarine blue
Lustre:
Earthy
Specific Gravity:
2.984 (Calculated)
Crystal System:
Monoclinic
Name:
Named after Juan Godoy (1800, Copiapó, Chile - 1842, Copiapó, Chile), discoverer of the Chañarcillo silver mine
Isostructural with synthetic sodium di(carbonato)cuprate(II)


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Classification of JuangodoyiteHide

Approved
Approval Year:
2004
5.AB.60

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
B : Alkali-earth (and other M2+) carbonates

Physical Properties of JuangodoyiteHide

Earthy
Colour:
vivid ultramarine blue
Streak:
blue
Density:
2.984 g/cm3 (Calculated)

Chemical Properties of JuangodoyiteHide

Formula:
Na2Cu(CO3)2

Crystallography of JuangodoyiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/a
Cell Parameters:
a = 6.171(4) Å, b = 8.171(5) Å, c = 5.645(4) Å
β = 116.23°
Ratio:
a:b:c = 0.755 : 1 : 0.691
Unit Cell V:
255.33 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.666 (100)
4.258 (75)
5.056 (66)
2.619 (65)
4.575 (57)
Comments:
Format: d/Å (I/%)

Type Occurrence of JuangodoyiteHide

General Appearance of Type Material:
fine-grained pseudomorphs, with crystallites up to 5 μm in size, after small laths of chalconatronite
Place of Conservation of Type Material:
Mineralogical Museum of the University of Hamburg, Germany
Geological Setting of Type Material:
oxidation zone
Associated Minerals at Type Locality:

Synonyms of JuangodoyiteHide

Other Language Names for JuangodoyiteHide

Simplified Chinese:无水碳铜钠石
Traditional Chinese:無水碳銅鈉石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Sanrománite7 photos of Juangodoyite associated with Sanrománite on mindat.org.
Chalconatronite2 photos of Juangodoyite associated with Chalconatronite on mindat.org.
Trona1 photo of Juangodoyite associated with Trona on mindat.org.
Nahcolite1 photo of Juangodoyite associated with Nahcolite on mindat.org.
Aragonite1 photo of Juangodoyite associated with Aragonite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.AB.05CalciteCaCO3Trig. 3m (3 2/m) : R3c
5.AB.05GaspéiteNi(CO3)Hex.
5.AB.05MagnesiteMgCO3Trig. 3m (3 2/m) : R3c
5.AB.05OtaviteCdCO3Trig. 3m (3 2/m)
5.AB.05RhodochrositeMnCO3Trig. 3m (3 2/m) : R3c
5.AB.05SideriteFeCO3Trig. 3m (3 2/m) : R3c
5.AB.05SmithsoniteZnCO3Trig. 3m (3 2/m) : R3c
5.AB.05SpherocobaltiteCoCO3Trig. 3m (3 2/m) : R3c
5.AB.10AnkeriteCa(Fe2+,Mg)(CO3)2Trig. 3 : R3
5.AB.10DolomiteCaMg(CO3)2Trig. 3 : R3
5.AB.10KutnohoriteCa(Mn,Mg,Fe)(CO3)2Trig. 3 : R3
5.AB.10MinrecorditeCaZn(CO3)2Trig. 3 : R3
5.AB.15AragoniteCaCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15CerussitePbCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15StrontianiteSrCO3Orth. mmm (2/m 2/m 2/m)
5.AB.15WitheriteBaCO3Orth. mmm (2/m 2/m 2/m)
5.AB.20VateriteCaCO3Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
5.AB.25HuntiteCaMg3(CO3)4Trig. 3 2 : R3 2
5.AB.30NorsethiteBaMg(CO3)2Trig. 3 2 : R3 2
5.AB.35AlstoniteBaCa(CO3)2Tric.
5.AB.40OlekminskiteSr(Sr,Ca,Ba)(CO3)2Trig.
5.AB.40ParalstoniteBaCa(CO3)2Trig.
5.AB.45BarytocalciteBaCa(CO3)2Mon. 2/m : P21/m
5.AB.50Carbocernaite(Ca,Na)(Sr,Ce,Ba)(CO3)2Orth. mm2
5.AB.55BenstoniteBa6Ca6Mg(CO3)13Trig. 3 : R3

Fluorescence of JuangodoyiteHide

Other InformationHide

Notes:
It is easily dissolved in hydrochloric acid with strong effervescence. It is not soluble in water but will hydrate to chalconatronite within hours.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for JuangodoyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
J. Schlüter, D. Pohl: "Juangodoyite, Na2Cu(CO3)2, a new mineral from the Santa Rosa mine, Atacama desert, Chile", N. Jb. Min. Abh. 182(1):11-14 (2005)

Internet Links for JuangodoyiteHide

Localities for JuangodoyiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Chile (TL)
 
  • Tarapacá Region
    • Iquique Province
      • Santa Rosa-Huantajaya District
J. Schlüter, D. Pohl: N. Jb. Min. Abh. 182(1):11-14 (2005); Schlüter, J., T. Malcherek & D. Pohl (2007): "Sanrománite, from the Santa Rosa mine, Atacama desert, Chile, a new mineral of the burbankite group": Neues Jahrbuch fur Mineralogie, Abhandlungen, 183, 117-121.
Mineral and/or Locality  
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