Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Cuprokalininite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
CuCr2S4
Colour:
Black
Lustre:
Sub-Metallic
Hardness:
4½ - 5
Specific Gravity:
4.16 (Calculated)
Crystal System:
Isometric
Name:
Copper analog of kalininite
Spinel-type structure (sulphospinel, thiospinel) -> see Thiospinel Group.


Hide all sections | Show all sections

Classification of CuprokalininiteHide

Approved
Approval Year:
2010
2.DA.05

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
2.10.1.20

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4

Physical Properties of CuprokalininiteHide

Sub-Metallic
Comment:
Close to metallic
Colour:
Black
Comment:
with a weak dark bronze tint
Streak:
Black
Hardness:
4½ - 5 on Mohs scale
Hardness:
VHN20=356 - 458 kg/mm2 - Vickers
Comment:
Mohs hardness was estimated from VHN.
Tenacity:
Very brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
4.16 g/cm3 (Calculated)

Optical Data of CuprokalininiteHide

Type:
Isotropic
Reflectivity:
400nmR=34.30%
420nmR=34.10%
440nmR=33.90%
460nmR=33.70%
480nmR=33.50%
500nmR=33.20%
520nmR=33.00%
540nmR=32.80%
560nmR=32.50%
580nmR=32.20%
600nmR=31.90%
620nmR=31.60%
640nmR=31.20%
660nmR=30.90%
680nmR=30.60%
700nmR=30.40%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 34.30%.
Colour in reflected light:
Pale cream
Internal Reflections:
None observed

Chemical Properties of CuprokalininiteHide

Formula:
CuCr2S4
Common Impurities:
V,Fe,Zn

Crystallography of CuprokalininiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 9.814(2) Å
Unit Cell V:
945.2 ų
Z:
8
Morphology:
Dominant forms are {111} and {100} with distinct growth steps.
Twinning:
Polysynthetic twins on {111} are typical. Occasionally, simple twinning by the spinel law is identified.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.44 (6)
2.94 (10)
2.44 (6)
1.884 (9)
1.731 (10)
1.133 (6)
1.098 (6)
1.030 (6)
1.002 (10)

Type Occurrence of CuprokalininiteHide

General Appearance of Type Material:
Euhedral octahedral or cubo-octahedral microcrystals up to 0.2 mm in size.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, catalog no. 3886/1-3
Geological Setting of Type Material:
In a Cr-V-bearing quartz-diopside metamorphic rock.
Associated Minerals at Type Locality:

Synonyms of CuprokalininiteHide

Other Language Names for CuprokalininiteHide

Relationship of Cuprokalininite to other SpeciesHide

Other Members of this group:
BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
CadmoinditeCdIn2S4Iso. m3m (4/m 3 2/m) : Fd3m
CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m
Cuproiridsite(Cu,Fe)Ir2S4Iso. m3m (4/m 3 2/m) : Fd3m
Cuprorhodsite(Cu,Fe)Rh2S4Iso. m3m (4/m 3 2/m) : Fd3m
DaubréeliteFe2+Cr3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
Ferrorhodsite(Fe,Cu)(Rh,Ir,Pt)2S4Iso.
FletcheriteCu(Ni,Co)2S4Iso. m3m (4/m 3 2/m) : Fd3m
Florensovite(Cu,Zn)Cr1.5Sb0.5S4
GreigiteFe2+Fe3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
InditeFeIn2S4
JoegoldsteiniteMnCr2S4Iso. m3m (4/m 3 2/m) : Fd3m
KalininiteZnCr2S4
LinnaeiteCo2+Co3+2S4Iso.
MalaniteCu(Pt3+,Ir3+)2S4Iso.
PolydymiteNi2+Ni3+2S4Iso.
SiegeniteCoNi2S4Iso. m3m (4/m 3 2/m) : Fd3m
TrüstedtiteNi3Se4Iso.
TyrrelliteCu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m
ViolariteFe2+Ni3+2S4Iso.
Xingzhongite(Pb,Cu,Fe)(Ir,Pt,Rh)2S4Iso.

Related Minerals - Nickel-Strunz GroupingHide

2.DA.05BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Cuproiridsite(Cu,Fe)Ir2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Cuprorhodsite(Cu,Fe)Rh2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05DaubréeliteFe2+Cr3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05FletcheriteCu(Ni,Co)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05Florensovite(Cu,Zn)Cr1.5Sb0.5S4
2.DA.05GreigiteFe2+Fe3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05InditeFeIn2S4
2.DA.05KalininiteZnCr2S4
2.DA.05LinnaeiteCo2+Co3+2S4Iso.
2.DA.05MalaniteCu(Pt3+,Ir3+)2S4Iso.
2.DA.05PolydymiteNi2+Ni3+2S4Iso.
2.DA.05SiegeniteCoNi2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05TrüstedtiteNi3Se4Iso.
2.DA.05TyrrelliteCu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.05ViolariteFe2+Ni3+2S4Iso.
2.DA.05Xingzhongite(Pb,Cu,Fe)(Ir,Pt,Rh)2S4Iso.
2.DA.05Ferrorhodsite(Fe,Cu)(Rh,Ir,Pt)2S4Iso.
2.DA.05CadmoinditeCdIn2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.DA.10RhodostanniteCu2FeSn3S8Tet. 4/m : I41/a
2.DA.10ToyohaiteAg2FeSn3S8Tet.
2.DA.15BrezinaiteCr3S4Mon. 2/m
2.DA.15Heideite(Fe,Cr)1.15(Ti,Fe)2S4Mon. 2/m
2.DA.20InaglyiteCu3Pb(Ir,Pt)8S16Hex.
2.DA.20KonderiteCu3Pb(Rh,Pt,Ir)8S16Hex. 6/m : P6/m
2.DA.25Kingstonite(Rh,Ir,Pt)3S4Mon. 2/m : B2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

2.10.1.1LinnaeiteCo2+Co3+2S4Iso.
2.10.1.2CarrolliteCu(Co,Ni)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.3FletcheriteCu(Ni,Co)2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.4TyrrelliteCu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.5BornhardtiteCo2+Co3+2Se4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.6SiegeniteCoNi2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.7PolydymiteNi2+Ni3+2S4Iso.
2.10.1.8ViolariteFe2+Ni3+2S4Iso.
2.10.1.9TrüstedtiteNi3Se4Iso.
2.10.1.10GreigiteFe2+Fe3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.11DaubréeliteFe2+Cr3+2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.12InditeFeIn2S4
2.10.1.13KalininiteZnCr2S4
2.10.1.14Florensovite(Cu,Zn)Cr1.5Sb0.5S4
2.10.1.15Cuproiridsite(Cu,Fe)Ir2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.16Cuprorhodsite(Cu,Fe)Rh2S4Iso. m3m (4/m 3 2/m) : Fd3m
2.10.1.17MalaniteCu(Pt3+,Ir3+)2S4Iso.

Other InformationHide

Notes:
Insoluble in HCl.
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 CuprokalininiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Reznitsky, L.Z., et al. (2010): Cuprokalininite, IMA 2010-008. CNMNC Newsletter, June 2010, 578; Mineralogical Magazine 74, 577-579
Reznitsky, L.Z., Sklyarov, E.V., Ushchapovskaya, Z.F., Suvorova, L.F., Polekhovsky, Yu.S., Dzerzanovsky, P. & Barash, I.G. (2010): Cuprokalininite CuCr2S4 - the new sulfospinel from metamorphic rocks of Sludyanka Complex (South Baikal Region). Zapiski Rossiyskogo Mineralogicheskogo Obshchestva, 139(6), 39-49 (in Russian). English translation: (2011) Geology of Ore Deposits, 53, 758-766.

Internet Links for CuprokalininiteHide

Localities for CuprokalininiteHide

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.
Russia (TL)
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
        • Lake Baikal area
          • Slyudyanka (Sludyanka)
CNMNC Newlsetter, June 2010, 578; Mineralogical Magazine 74,577(2010)
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: September 24, 2017 11:34:24 Page generated: September 9, 2017 18:31:38
Go to top of page