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Joanneumite

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About JoanneumiteHide

Universalmuseum Joanneum
Formula:
Cu(C3N3O3H2)2(NH3)2
Colour:
Violet
Lustre:
Vitreous
Hardness:
1
Specific Gravity:
2.020 (Calculated)
Crystal System:
Triclinic
Name:
Named for the Universalmuseum Joanneum, which had its 200th anniversary in 2011.
The first isocyanurate mineral, structurally corresponding to bis(isocyanurato)diamminecopper(II).

Chemically (in terms of elements) a bit similar to chanabayaite.


Classification of JoanneumiteHide

Approved
Approval Year:
2012
First Published:
2017

Physical Properties of JoanneumiteHide

Vitreous
Transparency:
Transparent
Colour:
Violet
Streak:
pale violet
Hardness:
Density:
2.020 g/cm3 (Calculated)

Chemical Properties of JoanneumiteHide

Formula:
Cu(C3N3O3H2)2(NH3)2
Common Impurities:
(Zn)

Crystallography of JoanneumiteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Setting:
P1
Cell Parameters:
a = 5.042(1) Å, b = 6.997(1) Å, c = 9.099(2) Å
α = 90.05(3)°, β = 98.11(2)°, γ = 110.95(3)°
Ratio:
a:b:c = 0.721 : 1 : 1.3
Unit Cell V:
290.8 ų
Z:
1
Morphology:
Microcrystalline aggregates up to 2 mm
Comment:
Parameters for the synthetic analogue prepared for structure refinement: a=4.982, b=6.896, c=9.115, α=90.53, β=97.85, γ=110.08, V=290.8

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.528 (34)
5.151 (26)
4.665 (12)
4.346 (6)
3.288 (4)
3.217 (7)
3.139 (100)
3.015 (5)

Type Occurrence of JoanneumiteHide

General Appearance of Type Material:
Microcrystalline aggregates up to 2 mm
Place of Conservation of Type Material:
Universalmuseum Joanneum, Weinzöttlstraße 16, A-8045 Graz, Austria, catalogue number 85.011
Geological Setting of Type Material:
Cracks in a gabbro covered by guano deposit with associated copper minerals
Associated Minerals at Type Locality:

Synonyms of JoanneumiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Antipinite2 photos of Joanneumite associated with Antipinite on mindat.org.
Halite1 photo of Joanneumite associated with Halite on mindat.org.

Fluorescence of JoanneumiteHide

Other InformationHide

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 JoanneumiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bojar, H.-P., Walter, F. (2012) Joanneumite, IMA 2012-001. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine: 76: 807-817.
Bojar, H.-P., Walter, F., Baumgartner, J. (2017) Joanneumite, Cu(C3N3O3H2)2(NH3)2, a new mineral from Pabellón de Pica, Chile and the crystal structure of its synthetic analogue. Mineralogical Magazine: 81: 155–166.

Internet Links for JoanneumiteHide

Localities for JoanneumiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile (TL)
 
  • Tarapacá Region
    • Iquique Province
      • Chanabaya
Bojar, H.-P., Walter, F. (2012) Joanneumite, IMA 2012-001. CNMNC Newsletter No. 13, June 2012, page 814; Mineralogical Magazine, 76, 807-817.;Bojar, H.-P., Walter, F., Baumgartner, J. (2017): Joanneumite, Cu(C3N3O3H2)2(NH3)2, a new mineral from Pabellón de Pica, Chile and the crystal structure of its synthetic analogue. Mineralogical Magazine: 81: 155–166.
Mineral and/or Locality  
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