Ziesite
A valid IMA mineral species
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About Ziesite
Emmanuel G. Zies
Formula:
β-Cu2(V2O7)
Colour:
Black
Lustre:
Metallic
Specific Gravity:
3.86
Crystal System:
Monoclinic
Name:
Named in honor of Emmanuel George Zies (26 September 1884, Baltimore, Maryland, USA - 26 April 1981), chemist and vulcanologist at the Carnegie Institute of Washington (USA).
Type Locality:
Dimorph of:
Unique Identifiers
Mindat ID:
4402
Long-form identifier:
mindat:1:1:4402:4
Similar Names
| Riesite | A valid IMA mineral species | TiO2 |
| Sassite | A valid IMA mineral species | Ti23+Ti4+O5 |
| Souesite | A synonym of Awaruite | |
| Suessite | A valid IMA mineral species | Fe3Si |
| Zeasite | A synonym of 'Wood Opal' | |
| Zoisite | A valid IMA mineral species - grandfathered | (CaCa)(AlAlAl)O[Si2O7][SiO4](OH) |
| Zoisite-(Pb) | A valid IMA mineral species | (CaPb)(AlAlAl)O[Si2O7][SiO4](OH) |
IMA Classification of Ziesite
Approved
IMA Formula:
Cu2+2V5+2O7
Approval year:
1979
First published:
1980
Classification of Ziesite
8.FA.10
8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
A : Polyphosphates, etc., without OH and H2O; dimers of corner-sharing RO4 tetrahedra.
8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
A : Polyphosphates, etc., without OH and H2O; dimers of corner-sharing RO4 tetrahedra.
38.5.5.2
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
5 : Miscellaneous
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
5 : Miscellaneous
21.1.8
21 : Vanadates (and vanadates with arsenate or phosphate)
1 : Vanadates of the alkalis and Cu
21 : Vanadates (and vanadates with arsenate or phosphate)
1 : Vanadates of the alkalis and Cu
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Zie | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Ziesite
Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Red-brown
Density:
3.86(5) g/cm3 (Measured) 3.87 g/cm3 (Calculated)
Optical Data of Ziesite
Type:
Biaxial
Anisotropism:
moderate to strong
Colour in reflected light:
white
Chemistry of Ziesite
Mindat Formula:
β-Cu2(V2O7)
Element Weights:
Elements listed:
Crystallography of Ziesite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 7.6890(8) Å, b = 8.0289(9) Å, c = 10.1065(8) Å
β = 110.252(7)°
β = 110.252(7)°
Ratio:
a:b:c = 0.958 : 1 : 1.259
Unit Cell V:
585.35 ų (Calculated from Unit Cell)
Z:
2
Crystal Structure
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2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0018362 | Ziesite | Yashima M, Suzuki R O (2009) Electronic structure and magnetic properties of monoclinic beta-Cu2V2O7: A GGA+U study Calvo & Faggiani (1975) paper, in the triclinic setting Physical Review B79 125201-6 | 2009 | synthetic | 0 | 293 | |
| 0014835 | Ziesite | Hughes J M, Brown M A (1989) The crystal structure of ziesite, beta-Cu2V2O7, a thortveitite-type structure with a non-linear X-O-X inter-tetrahedral bond Neues Jahrbuch fur Mineralogie, Monatshefte 1989 41-47 | 1989 | synthetic | 0 | 293 | |
| 0018361 | Ziesite | Yashima M, Suzuki R O (2009) Electronic structure and magnetic properties of monoclinic beta-Cu2V2O7: A GGA+U study Physical Review B79 125201-6 | 2009 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.60 Å | (10) |
| 3.09 Å | (10) |
| 3.06 Å | (10) |
| 5.34 Å | (8) |
| 2.302 Å | (8) |
| 2.111 Å | (8) |
| 2.641 Å | (6) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 45b : [Other oxidized fumarolic minerals] |
Type Occurrence of Ziesite
General Appearance of Type Material:
Anhedral crystals, to 200 µm, incrusting basalt
Place of Conservation of Type Material:
Carnegie Institute, Washington, D.C., USA.
Associated Minerals at Type Locality:
Synonyms of Ziesite
Other Language Names for Ziesite
Related Minerals - Strunz-mindat Grouping
| 8.FA. | Phosphocyclite-(Fe) | Fe2+2(P4O12) |
| 8.FA. | Phosphocyclite-(Ni) | Ni2(P4O12) |
| 8.FA. | Grahampearsonite | Ca2P2O7 |
| 8.FA. | Bakakinite | Ca2V2O7 |
| 8.FA. | Lisanite | CaNiP2O7 |
| 8.FA. | Shasuite | CaNi3(P2O7)2 |
| 8.FA. | Nabateaite | Fe2P2O7 |
| 8.FA. | Samraite | Ni2P2O7 |
| 8.FA. | Anastasenkoite | CaFe2+(P2O7) |
| 8.FA.05 | Blossite | α-Cu2(V2O7) |
| 8.FA.15 | 'UM1999-17:O:PbV' | Pb4V2O9 or Pb4(VO4)2O |
| 8.FA.15 | Chervetite | Pb2(V2O7) |
| 8.FA.20 | Yamhamelachite | KCrP2O7 |
| 8.FA.20 | 'Pyrocoproite' | (K,Na)2Mg(P2O7) |
| 8.FA.20 | 'Pyrophosphite' | K2Ca(P2O7) |
| 8.FA.25 | Petewilliamsite | (Ni,Co)30(As2O7)15 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Ziesite
mindat.org URL:
https://www.mindat.org/min-4402.html
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References for Ziesite
Reference List:
Hughes, John M., Birnie, Richard W. (1980) Ziesite, β-Cu2V2O7, a new copper vanadate and fumarole temperature indicator. American Mineralogist, 65 (11-12) 1146-1149
Localities for Ziesite
Showing 3 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
China | |
| Daniel Hummer Collection |
El Salvador (TL) | |
| Hughes et al. (1980) +2 other references |
Russia | |
| Pekov et al. (2013) |
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Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia