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Brezinaite

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Big Photo

Sikhote-Alin meteorite, Paseka village, Sikhote-Alin Mts, Primorskiy Kray, Far-Eastern Region, Russia
© Pavel M. Kartashov

Show Brezinaite Photos (2)



Formula:
Cr
 
3
S
 
4
System:MonoclinicHardness:3½ - 4½
Name:Named in honour of Aristides Brezina (1848–1909), past Director of the Mineralogy-Petrology Section of the Natural History Museum, Vienna, Austria.
This page provides mineralogical data about Brezinaite.

Classification of Brezinaite

IMA status:Approved 1969
Strunz 8th edition ID:2/D.05-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:2.10.2.2

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
Hey's CIM Ref.: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
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Type Occurrence of Brezinaite

Type Locality:Irwin-Ainsa meteorites (Tucson meteorites), Box Canyon, Greaterville District, Santa Rita Mts, Pima Co., Arizona, USA
Year of Discovery:1969
Geological Setting of type material:Occurs in iron meteorite as tiny (5-80 micron) anhedral grains in metal matrix & contiguous to silicate inclusions.

Occurrences of Brezinaite

Geological Setting:Meteorite

Physical Properties of Brezinaite

Diaphaneity (Transparency):Opaque
Hardness (Mohs):3½ - 4½
Density (calculated):4.12 g/cm3

Crystallography of Brezinaite

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 Volume:V 229.97 ų (Calculated from Unit Cell)
Z:2
Morphology:Anhedral grains to 3mm
Comment:Synthetic

Chemical Properties of Brezinaite

Formula:
Cr
 
3
S
 
4
Essential elements:Cr, S
All elements listed in formula:Cr, S
Common Impurities:Fe,V,Ti,Mn,Ni

Relationship of Brezinaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.DA.05Bornhardtite
Co
2+
 
Co
3+
2
Se
 
4
2.DA.05Carrollite
Cu(Co,Ni)
 
2
S
 
4
2.DA.05Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
2.DA.05Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
2.DA.05Daubréelite
Fe
2+
 
Cr
3+
2
S
 
4
2.DA.05Fletcherite
Cu(Ni,Co)
 
2
S
 
4
2.DA.05Florensovite
(Cu,Zn)Cr
 
1.5
Sb
 
0.5
S
 
4
2.DA.05Greigite
Fe
2+
 
Fe
3+
2
S
 
4
2.DA.05Indite
FeIn
 
2
S
 
4
2.DA.05Kalininite
ZnCr
 
2
S
 
4
2.DA.05Linnaeite
Co
2+
 
Co
3+
2
S
 
4
2.DA.05Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
2.DA.05Polydymite
Ni
2+
 
Ni
3+
2
S
 
4
2.DA.05Siegenite
CoNi
 
2
S
 
4
 -NiCo
 
2
S
 
4
2.DA.05Trüstedtite
Ni
 
3
Se
 
4
2.DA.05Tyrrellite
Cu(Co
3+
 
,Ni
3+
 
)
 
2
Se
 
4
2.DA.05Violarite
Fe
2+
 
Ni
3+
2
S
 
4
2.DA.05Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
2.DA.05Ferrorhodsite
(Fe,Cu)(Rh,Ir,Pt)
 
2
S
 
4
2.DA.05Cadmoindite
CdIn
 
2
S
 
4
2.DA.05Cuprokalininite
CuCr
 
2
S
 
4
2.DA.10Rhodostannite
Cu
 
2
FeSn
 
3
S
 
8
2.DA.10Toyohaite
Ag
 
2
FeSn
 
3
S
 
8
2.DA.15Heideite
(Fe,Cr)
 
1.15
(Ti,Fe)
 
2
S
 
4
2.DA.20Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
2.DA.20Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
2.DA.25Kingstonite
(Rh,Ir,Pt)
 
3
S
 
4
Related Minerals - Hey's Index Grouping:

- +
3.8.2Caswellsilverite
NaCrS
 
2
3.8.3Kalininite
ZnCr
 
2
S
 
4
3.8.4Daubréelite
Fe
2+
 
Cr
3+
2
S
 
4
3.8.5Heideite
(Fe,Cr)
 
1.15
(Ti,Fe)
 
2
S
 
4
3.8.6Molybdenite
MoS
 
2
3.8.7 Molybdenite-3R
MoS
 
2
3.8.8Jordisite
MoS
 
2
3.8.9Drysdallite
Mo(Se,S)
 
2
3.8.10Tungstenite
WS
 
2
3.8.12Alabandite
Mn
2+
 
S
3.8.13Hauerite
MnS
 
2
3.8.14Manganoshadlunite
(Mn,Pb,Cd)(Cu,Fe)
 
8
S
 
8

Other Names for Brezinaite

Synonyms:
IMA1969-004
Other Languages:
German:Brezianit
Brezinait
Russian:Брецинаит
Spanish:Brezinaita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:None.

References for Brezinaite

Reference List:

- +
Bunch, T.E. and L.H. Fuchs (1969) A new mineral: brezinaite, Cr3S4, and
the Tucson meteorite. Amer. Mineral., 54, 1509–1518.

Jellinek, F. (1957): The structures of the chromium sulphides. Acta Crystallographica 10, 620-628.

Internet Links for Brezinaite

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    • Localities for Brezinaite

    Hide Locality List
    (TL) indicates type locality. ? 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.
    Russia
     
    • Far-Eastern Region
      • Primorskiy Kray
        • Sikhote-Alin Mts
          • Paseka village
    		Pavel M. Kartashov data
    USA
     
    • Arizona
      • Pima Co.
        • Santa Rita Mts
          • Greaterville District
            • Box Canyon
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 145.; t: Bunch, T.E. and L.H. Fuchs (1969) A new mineral: brezinaite, Cr3S4, and the Tucson meteorite. Amer. Mineral., 54, 1509–1518.
    • Pennsylvania
      • Somerset Co.
    		Handbook of Mineralogy
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