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Djurleite

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Las Cruces Mine, Gerena, Seville, Andalusia, Spain
© 2011-C. Menor-Salvan

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Formula:
Cu
 
31
S
 
16
System:MonoclinicColour:Black, gray in reflected ...
Hardness:2½ - 3
Name:Named in honor of Dr. Seved Djurle (1918– ), a Swedish chemist who first synthesized the synthetic equivalent (before the mineral was discovered).


A copper sulphide closely related to chalcocite and easily confused with the latter.
Identification requires XRD or other suitable methods.

Classification of Djurleite

IMA status:Approved
Explanation of status:The original paper describing the mineral used specimens from five different localities. The chemistry was determined on a specimen from the Copper Canyon, Mexico, while X-ray diffraction lines were calculated from a Butte, Montana specimen. The other specimens were also x-rayed.
Strunz 8th edition ID:2/B.01-20
Nickel-Strunz 10th (pending) edition ID:2.BA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
Dana 8th edition ID:2.4.7.2

2 : SULFIDES
4 : AmBnXp, with (m+n):p = 2:1
Hey's CIM Ref.:3.1.2

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
1 : Sulphides etc. of Cu
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Type Occurrence of Djurleite

Type Locality:Barranca de Cobre, Chihuahua, Mexico
Year of Discovery:1962

Occurrences of Djurleite

Geological Setting:Secondary enrichment zones of copper deposits.

Physical Properties of Djurleite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Black, gray in reflected light
Hardness (Mohs):2½ - 3
Hardness (Vickers):VHN100=65 - 85 kg/mm2
Density (calculated):5.749 g/cm3

Crystallography of Djurleite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 26.897Å, b = 15.745Å, c = 13.565Å
β = 90.13°
Ratio:a:b:c = 1.708 : 1 : 0.862
Unit Cell Volume:V 5,744.67 ų (Calculated from Unit Cell)
Z:8
Morphology:Short, prismatic, thick tabular, massive compact.
Twinning:Common on {110}
Comment:Space group P21/n.
X-Ray Powder Diffraction:
d-spacingIntensity
3.386 (50)
3.282 (30)
3.192 (30)
2.387 (90)
1.964 (90)
1.957 (90)
1.871 (100)
Comments:Similar to chalcocite.

Optical Data of Djurleite

Type:Anisotropic
Anisotropism:Weak
Colour in reflected light:Gray

Chemical Properties of Djurleite

Formula:
Cu
 
31
S
 
16
Essential elements:Cu, S
All elements listed in formula:Cu, S
Common Impurities:Ag,Fe

Relationship of Djurleite to other Species

Structurally related to group(s):
Chalcocite-Digenite Group
Common Associates:
PyriteDigeniteChalcopyriteChalcociteBornite
Anilite
Related Minerals - Nickel-Strunz Grouping):

- +
2.BA.05Chalcocite
Cu
 
2
S
2.BA.05Geerite
Cu
 
8
S
 
5
2.BA.05Roxbyite
Cu
 
9
S
 
5
2.BA.10Anilite
Cu
 
7
S
 
4
2.BA.10Digenite
Cu
 
9
S
 
5
2.BA.15Bornite
Cu
 
5
FeS
 
4
2.BA.20Bellidoite
Cu
 
2
Se
2.BA.20Berzelianite
Cu
 
2
Se
2.BA.25Athabascaite
Cu
 
5
Se
 
4
2.BA.25Umangite
Cu
 
3
Se
 
2
2.BA.30Rickardite
Cu
 
7
Te
 
5
2.BA.30Weissite
Cu
 
2-x
Te
2.BA.35Acanthite
Ag
 
2
S
2.BA.40Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13-S:AgAuCu
Ag
 
6
AuCu
 
2
S
 
5
2.BA.45Jalpaite
Ag
 
3
CuS
 
2
2.BA.45Selenojalpaite
Ag
 
3
CuSe
 
2
2.BA.50Eucairite
AgCuSe
2.BA.55Aguilarite
Ag
 
4
SeS
2.BA.55Naumannite
Ag
 
2
Se
2.BA.60Cervelleite
Ag
 
4
TeS
2.BA.60Hessite
Ag
 
2
Te
2.BA.60Chenguodaite
Ag
 
9
Fe
3+
 
Te
 
2
S
 
4
2.BA.65Henryite
Ag
 
3
Cu
 
4
Te
 
4
2.BA.65Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
2.BA.70Argyrodite
Ag
 
8
GeS
 
6
2.BA.70Canfieldite
Ag
 
8
SnS
 
6
2.BA.70Putzite
(Cu
 
4.7
Ag
 
3.3
)GeS
 
6
2.BA.75Fischesserite
Ag
 
3
AuSe
 
2
2.BA.75Penzhinite
(Ag,Cu)
 
4
Au(S,Se)
 
4
2.BA.75Petrovskaite
AuAg(S,Se)
2.BA.75Petzite
Ag
 
3
AuTe
 
2
2.BA.75Uytenbogaardtite
Ag
 
3
AuS
 
2
2.BA.80Bezsmertnovite
(Au,Ag)
 
4
Cu(Te,Pb)
2.BA.80Bilibinskite
PbCu
 
2
Au
 
3
Te
 
2
2.BA.80Bogdanovite
(Au,Te,Pb)
 
3
(Cu,Fe)
Related Minerals - Hey's Index Grouping:

- +
3.1.1Chalcocite
Cu
 
2
S
3.1.3Digenite
Cu
 
9
S
 
5
3.1.4Anilite
Cu
 
7
S
 
4
3.1.5Roxbyite
Cu
 
9
S
 
5
3.1.6Spionkopite
Cu
 
39
S
 
28
3.1.7Geerite
Cu
 
8
S
 
5
3.1.8Covellite
CuS
3.1.9Berzelianite
Cu
 
2
Se
3.1.10Bellidoite
Cu
 
2
Se
3.1.11Umangite
Cu
 
3
Se
 
2
3.1.12Yarrowite
Cu
 
9
S
 
8
3.1.13Athabascaite
Cu
 
5
Se
 
4
3.1.14Klockmannite
CuSe
3.1.15Krut'aite
CuSe
 
2
3.1.16Weissite
Cu
 
2-x
Te
3.1.17Rickardite
Cu
 
7
Te
 
5
3.1.18Vulcanite
CuTe
3.1.19Bambollaite
Cu(Se,Te)
 
2
3.1.20Lautite
CuAsS
3.1.21Mgriite
Cu
 
3
AsSe
 
3
3.1.22Cubanite
CuFe
 
2
S
 
3
3.1.23Bornite
Cu
 
5
FeS
 
4
3.1.24Fukuchilite
Cu
 
3
FeS
 
8
3.1.25Chalcopyrite
CuFeS
 
2
3.1.26Mooihoekite
Cu
 
9
Fe
 
9
S
 
16
3.1.27Haycockite
Cu
 
4
Fe
 
5
S
 
8
3.1.28Isocubanite
CuFe
 
2
S
 
3
3.1.29Idaite
Cu
 
5
FeS
 
6
3.1.30Nukundamite
(Cu,Fe)
 
4
S
 
4
3.1.31Putoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
3.1.32Orickite
2CuFeS
 
2
 · H
 
2
O
3.1.33Eskebornite
CuFeSe
 
2
3.1.34Chaméanite
(Cu,Fe)
 
4
As(Se,S)
 
4
3.1.35Talnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16

Other Names for Djurleite

Other Languages:
German:Djurleit
Russian:Джарлеит
Simplified Chinese:久辉铜矿
Spanish:Djurleita

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:Copper ore

References for Djurleite

Reference List:

- +
Roseboom, E.H. (1962) Djurleite, Cu1.96S, a new mineral. American Mineralogist: 47: 1181-1184.

American Mineralogist: 48: 215.

Zeitschrift für Kristallographie: 150: 299-320.

Pósfai, M. & Buseck, P. R. (1994): Djurleite, digenite, and chalcocite: Intergrowths and transformations. American Mineralogist, 79, 308-315.

Internet Links for Djurleite

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  • Djurleite details from Handbook of Mineralogy (PDF)
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    • Localities for Djurleite

    The 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.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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    Locality Updated: Morning Sun Mine, Dogtown, Coulterville District, Mother Lode Belt, Mariposa Co., California, USAFrom Chester S. Lemanski, Jr., 26th May 2013 00:34:58