Brezinaite (original) (raw)
A valid IMA mineral species
About BrezinaiteHide
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Specific Gravity:
4.12 (Calculated)
Crystal System:
Monoclinic
Name:
Named in 1969 by Theodore E. Bunch and Louis H. Fuchs in honor of Maria Aristides Brezina [May 4, 1848 Wien (Vienna), Austria – May 25, 1909 Wien (Vienna), Austria], past Director of the Mineralogy-Petrology Section of the Natural History Museum, Vienna, Austria. Brezina was one of the most important researchers of meteoritics and helped develop an important early classification of meteorites.
Cr3-analogue of zolenskyite.
From Davis (1993):
- Does not occur in troilite aggregates.
- Its appearance and occurrence coincide with daubreelite. It can even form alternating thin lamellae with daubreelite, however, the lamellae cannot be distinguished in reflected light.
- Distinguished by a high degree of anisotropy, varying from barely detectable to very pronounced.
- Also distinguished by common polysynthetic twinning.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:768:3
5faac696-68bc-4bf3-8a68-84be4d2d8d8d
IMA Classification of BrezinaiteHide
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Type description reference:
Classification of BrezinaiteHide
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2.DA.15
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
2.10.2.2
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
3.8.1
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
8 : Sulphides etc. of Cr, Mo, W an Mn
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Bzn | 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 BrezinaiteHide
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Density:
4.12 g/cm3 (Calculated)
Optical Data of BrezinaiteHide
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Colour in reflected light:
Brownish gray
Comments:
Reflectivity 37-40%; very similar to daubreelite.
Chemistry of BrezinaiteHide
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Common Impurities:
Fe,V,Ti,Mn,Ni
Crystallography of BrezinaiteHide
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Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 5.96(1) Å, b = 3.425(5) Å, c = 11.270(15) Å
β = 91.53°
Ratio:
a:b:c = 1.74 : 1 : 3.291
Unit Cell V:
229.97 ų (Calculated from Unit Cell)
Morphology:
Anhedral grains to 3mm
Twinning:
Polysynthetic. Most commonly seen as two sets of lamallae almost at right angles. Sometimes a third set of more irregular twins is observed to intersect the first two at an oblique angle.
Comment:
Space Group: I2/m (synthetic)
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0009201 | Brezinaite | Jellinek F (1957) The structures of the chromium sulphides Acta Crystallographica 10 620-628 |  |
1957 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.644 Å | (100) |
| 5.67 Å | (70) |
| 2.056 Å | (70) |
| 1.716 Å | (70) |
| 2.978 Å | (65) |
| 2.606 Å | (60) |
| 5.23 Å | (40) |
Geological EnvironmentHide
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Geological Setting:
Meteorite
Type Occurrence of BrezinaiteHide
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General Appearance of Type Material:
Tiny (5-80 micron) anhedral grains in nickel-iron matrix and contiguous to silicate inclusions.
Place of Conservation of Type Material:
Meteorite Collection, National Museum of Natural History, Washington, D.C., USA.
Geological Setting of Type Material:
Associated Minerals at Type Locality:
Reference:
Bunch, T.E., Fuchs, L.H. (1969) A new mineral: brezinaite, Cr3S4, and the Tucson meteorite. American Mineralogist: 54: 1509–1518.
Synonyms of BrezinaiteHide
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Other Language Names for BrezinaiteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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| 2.DA. | Zaykovite | Rh3Se4 | Mon. 2/m : _B_2/m |
|---|---|---|---|
| 2.DA. | Grimmite | NiCo2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA. | Zolenskyite | FeCr2S4 | Mon. 2/m : _B_2/m |
| 2.DA. | Ezochiite | Cu+(Rh3+Pt4+)S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA. | Ferrodimolybdenite | FeMo2S4 | Mon. 2/m : _B_2/b |
| 2.DA.05 | Bornhardtite | Co2+Co3+2Se4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Carrollite | CuCo2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Cuproiridsite | (Cu,Fe)Ir2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Cuprorhodsite | (Cu1+0.5Fe3+0.5)Rh3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Daubréelite | Fe2+Cr3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Fletcherite | CuNi2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 | Iso. m_3_m _(_4/_m_32/m ) |
| 2.DA.05 | Greigite | Fe2+Fe3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Indite | FeIn2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Kalininite | ZnCr2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Linnaeite | Co2+Co3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Malanite | Cu1+(Ir3+Pt4+)S4 | Iso. m_3_m _(_4/_m_32/m ) |
| 2.DA.05 | Polydymite | Ni2+Ni3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Siegenite | CoNi2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Trüstedtite | Ni3Se4 | Iso. |
| 2.DA.05 | Tyrrellite | Cu(Co,Ni)2Se4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Violarite | Fe2+Ni3+2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Xingzhongite | Pb2+Ir3+2S4 | Iso. |
| 2.DA.05 | Cadmoindite | CdIn2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Cuprokalininite | CuCr2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Joegoldsteinite | MnCr2S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Nickeltyrrellite | CuNi2Se4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Shiranuiite | Cu+(Rh3+Rh4+)S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.05 | Berndlehmannite | Cu(CrV)S4 | Iso. m_3_m _(_4/_m_32/m ) : F d_3_m |
| 2.DA.10 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : _I_41/a |
| 2.DA.10 | Toyohaite | Ag1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : _I_41/a |
| 2.DA.15 | Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 | Mon. 2/m |
| 2.DA.20 | Inaglyite | Cu3Pb(Ir,Pt)8S16 | Hex. |
| 2.DA.20 | Konderite | Cu3Pb(Rh,Pt,Ir)8S16 | Hex. 6/m : _P_6/m |
| 2.DA.25 | Kingstonite | (Rh,Ir,Pt)3S4 | Mon. 2/m : _B_2/m |
Other InformationHide
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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 BrezinaiteHide
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References for BrezinaiteHide
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Reference List:
Localities for BrezinaiteHide
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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
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