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Triazolite

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About TriazoliteHide

Formula:
NaCu2(N3C2H2)2(NH3)2Cl3·4H2O
Colour:
Blue
Hardness:
2
Specific Gravity:
2.028 (Calculated)
Crystal System:
Orthorhombic
Name:
Named for the presence of 1,2,4-triazolate anions.
Chemically and structurally related to chanabayaite, for which it is a precursor phase. The second natural (mineral) triazolate to be discovered.

It is a metalorganic ammine complex in which 1,2,4-triazolate anion and ammonia molecule are ligands coordinating Cu2+.


Classification of TriazoliteHide

Approved
Approval Year:
2017
First Published:
2018

Physical Properties of TriazoliteHide

Colour:
Blue
Hardness:
Tenacity:
Brittle
Density:
2.028 g/cm3 (Calculated)

Optical Data of TriazoliteHide

Type:
Biaxial (-)
RI values:
nα = 1.582(4) nβ = 1.625(3) nγ = 1.625(3)
2V:
Measured: 5° (3)
Max Birefringence:
δ = 0.043
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of TriazoliteHide

Formula:
NaCu2(N3C2H2)2(NH3)2Cl3·4H2O
IMA Formula:
NaCu2(N3C2H2)2(NH3)2Cl3 · 4H2O

Crystallography of TriazoliteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Space Group:
P21 21 21
Cell Parameters:
a = 19.3575(5) Å, b = 7.15718(19) Å, c = 12.5020(4) Å
Ratio:
a:b:c = 2.705 : 1 : 1.747
Unit Cell V:
1732.09 ų
Z:
4
Morphology:
Prismatic crystals (up to 0.1 mm × 0.15 mm × 0.75 mm); Radial aggregates

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
10.22Å(97)
6.135Å(40)
5.696Å(17)
5.182Å(59)
5.119Å(100)
4.854Å(19)
3.294Å(18)
2.202Å(18)
Comments:
From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of TriazoliteHide

General Appearance of Type Material:
Deep blue prismatic crystals up to 0.1 mm × 0.15 mm × 0.75 mm and their radial aggregates up to 1.5 mm across
Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, Russia, registration number 5037/1
Empirical Formula of Type Material:
Na1.14(Cu1.86Fe0.14)(Cl2.99S0.23)N9.23C3.43H23.34O4.29
Chemical Analysis of Type Material:
Na4.91 %
Fe1.51 %
Cu22.06 %
Cl19.80 %
S1.4 %
C7.7 %
H4.4 %
N24.2 %
O (calc.)12.83 %
Total:98.81 %
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Zubkova, N.V., Möhn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Britvin, S.N., Pushcharovsky, D.Y. (2018) Triazolite, NaCu2(N3C2H2)2(NH3)2Cl3·4H2O, a new mineral species containing 1,2,4-triazolate anion, from a guano deposit at Pabellón de Pica, Iquique Province, Chile. Mineralogical Magazine: 82: 1007-1014.

Synonyms of TriazoliteHide

Other InformationHide

IR Spectrum:
IR spectrum shows the presence of 1,2,4-triazolate anion and ammonia and water molecules.
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 TriazoliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Zubkova, N.V., Möhn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.I., Britvin, S.N. and Pushcharovsky, D.Y. (2017) Triazolite, IMA 2017-025. CNMNC Newsletter No. 38, August 2017, page 1035. Mineralogical Magazine: 81: 1033–1038.
Chukanov, N.V., Zubkova, N.V., Möhn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Britvin, S.N., Pushcharovsky, D.Y. (2018) Triazolite, NaCu2(N3C2H2)2(NH3)2Cl3·4H2O, a new mineral species containing 1,2,4-triazolate anion, from a guano deposit at Pabellón de Pica, Iquique Province, Chile. Mineralogical Magazine: 82: 1007-1014.

Internet Links for TriazoliteHide

Localities for TriazoliteHide

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
    • Iquique Province
      • Chanabaya
Chukanov, N.V., Zubkova, N.V., Möhn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.I., Britvin, S.N. and Pushcharovsky, D.Y. (2017) Triazolite, IMA 2017-025. CNMNC Newsletter No. 38, August 2017, page 1035; Mineralogical Magazine: 81: 1033–1038.; Chukanov, N.V., Zubkova, N.V., Möhn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Britvin, S.N., Pushcharovsky, D.Y. (2018) Triazolite, NaCu2(N3C2H2)2(NH3)2Cl3·4H2O, a new mineral species containing 1,2,4-triazolate anion, from a guano deposit at Pabellón de Pica, Iquique Province, Chile. Mineralogical Magazine: 82: 1007-1014.
 
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