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Dzierżanowskite

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Formula:
CaCu2S2
Colour:
dark orange
Lustre:
Sub-Metallic
Specific Gravity:
4.391 (Calculated)
Crystal System:
Trigonal
Name:
Named after Piotr Dzierżanowski (died 2016), head of the microprobe laboratory at the Laboratory of Waters, Soils and Rocks Chemistry, of the Institute of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw
Known synthetic analogue.

The mineral, being a natural thiocuprate, results from high temperature alteration of pyrometamorphic rocks, due to their interaction with pyrometamorphism by-products (melts/fluids and gases) coming from deeper parts of the complex.


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Classification of DzierżanowskiteHide

Approved, Pending publication
Approval Year:
2014
2.BA.

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

Physical Properties of DzierżanowskiteHide

Sub-Metallic
Colour:
dark orange
Streak:
cream
Density:
4.391 g/cm3 (Calculated)

Chemical Properties of DzierżanowskiteHide

Formula:
CaCu2S2

Crystallography of DzierżanowskiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Setting:
P3m1
Cell Parameters:
a = 3.9400(4) Å, c = 6.523(1) Å
Ratio:
a:c = 1 : 1.656
Unit Cell V:
87.69 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.523(32)
3.412(27)
3.023(98)
2.358(100)
1.970(89)
1.834(48)
1.512(22)
1.460(21)
Comments:
From Type Description.

Occurrences of DzierżanowskiteHide

Paragenetic Mode(s):

Type Occurrence of DzierżanowskiteHide

General Appearance of Type Material:
(1) grains, up to 15 μm, (2) rims on oldhamite, (3) laminar intergrowths with chalcocite and covellite
Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical Museum, University of Wrocław (Muzeum Mineralogiczne Uniwersytetu Wrocławskiego), Cybulskiego 30, 50-205 Wrocław, Poland, catalogue number MMUWr II-20464
Geological Setting of Type Material:
larnite pseudoconglomerate forming pebbles within more low-temperature rocks; also in minor jasmundite-rocks found as "paleofumaroles" within low-temperature hydrothermal rocks; both occur within a pyrometamorphic complex
Associated Minerals at Type Locality:

Synonyms of DzierżanowskiteHide

Related Minerals - Nickel-Strunz GroupingHide

2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu9S5Tric. 1 : P1
2.BA.10AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10DigeniteCu9S5Trig. 3m (3 2/m) : R3m
2.BA.15BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet.
2.BA.30RickarditeCu7Te5Orth.
2.BA.30WeissiteCu2-xTeHex.
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm (2/m 2/m 2/m)
2.BA.40dUM2003-13-S:AgAuCuAg6AuCu2S5
2.BA.45JalpaiteAg3CuS2Tet.
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
2.BA.50EucairiteAgCuSeOrth.
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.55NaumanniteAg2SeOrth. 2 2 2 : P21 21 21
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40 Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70CanfielditeAg8SnS6Orth. mm2
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 4 3m : F4 3m
2.BA.75FischesseriteAg3AuSe2Iso. 4 3 2 : I41 3 2
2.BA.75Penzhinite(Ag,Cu)4Au(S,Se)4Hex.
2.BA.75PetrovskaiteAuAg(S,Se)Mon.
2.BA.75PetziteAg3AuTe2Iso. 4 3 2 : I41 3 2
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m (3 2/m) : R3c
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

Other InformationHide

Notes:
Raman bands [cm-1]: 300, 103, 86
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 DzierżanowskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Galuskina, I.O., Galuskin, E.V., Prusik, K., Vapnik, Y., Jeżak, L., Murashko, M. (2014) Dzierżanowskite, IMA 2014-032. CNMNC Newsletter No. 21, August 2014, page 802; Mineralogical Magazine: 78: 797-804
Galuskina, I.O., Galuskin, E.V., Prusik, K., Vapnik, Y., Juroszek, R., Jeżak, L., Murashko, M. (2016): Dzierżanowskite, CaCu2S2 – a new natural thiocuprate from Jabel Harmun, Judean Desert, Palestine Autonomy, Israel. Mineralogical Magazine: 80 (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=13156&sid=3485f49ac3f319c2db52c8cffc0a2913 (2016)

Internet Links for DzierżanowskiteHide

Localities for DzierżanowskiteHide

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.
Palestine (TL)
 
  • West Bank
    • Hatrurim Formation
Galuskina, I.O., Galuskin, E.V., Prusik, K., Vapnik, Y., Jeżak, L. and Murashko, M. (2014) Dzierżanowskite, IMA 2014-032. CNMNC Newsletter No. 21, August 2014, page 802; Mineralogical Magazine, 78, 797-804.
Mineral and/or Locality  
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