Malanite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Malanite
Formula:
Cu1+(Ir3+Pt4+)S4
Originally given as CuPt3+2S4.
Colour:
Steel grey
Lustre:
Metallic
Hardness:
5
Specific Gravity:
7.46 (Calculated)
Crystal System:
Isometric
Member of:
Name:
For the type locality, the Malan River valley, near Zunhua, Chengde Prefecture, Hebei Province, China.
Thiospinel Group. Cuproiridsite-Malanite Series(?). The Ir analogue of ezochiite; the IrPt-analogue of shiranuiite.
Compare 'UM1981-17-S:CuIrPtRh'.
Compare 'UM1981-17-S:CuIrPtRh'.
Unique Identifiers
Mindat ID:
2551
Long-form identifier:
mindat:1:1:2551:1
GUID
(UUID V4):
(UUID V4):
347fd70d-c2d1-45a9-845b-3424599cf078
IMA Classification of Malanite
Approved
IMA status notes:
Redefined by the IMA
Approval year:
1995
Approval history:
1995: Approved as a new species, as CuPt2S4 with Pt3+ (Yu 1996).
2018: Redefined as Cu1+(Ir3+Pt4+)S4 (Proposal 17-H) (Bosi et al., 2019).
2018: Redefined as Cu1+(Ir3+Pt4+)S4 (Proposal 17-H) (Bosi et al., 2019).
Classification of Malanite
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 : 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
2.10.1.17
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
3.12.47
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Mla | 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 Malanite
Metallic
Transparency:
Opaque
Colour:
Steel grey
Streak:
Black
Hardness:
5 on Mohs scale
Hardness:
VHN20=445 - 479 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
{111}, may be observed.
{111}, may be observed.
Density:
7.46(11) g/cm3 (Calculated)
Optical Data of Malanite
Type:
Isotropic
Colour in reflected light:
bright white with a faint brown to green tint
Chemistry of Malanite
Mindat Formula:
Cu1+(Ir3+Pt4+)S4
Originally given as CuPt3+2S4.
Originally given as CuPt3+2S4.
Elements listed:
Common Impurities:
Ni,Co,Fe,Pd
Crystallography of Malanite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Cell Parameters:
a = 9.925(15) Å
Unit Cell V:
977.67 ų (Calculated from Unit Cell)
Z:
8
Comment:
Space Group: F d3m
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
1.75 Å | (10) |
2.48 Å | (8) |
1.90 Å | (8) |
0.783 Å | (8) |
1.011 Å | (7) |
2.98 Å | (6) |
5.70 Å | (5) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3b: Earth’s earliest hydrosphere | >4.45 |
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33) | |
Near-surface Processes | |
26 : Hadean detrital minerals | |
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
37 : Layered igneous intrusions and related PGE minerals |
Type Occurrence of Malanite
Co-Type Localities:
General Appearance of Type Material:
Crystals are octahedral or dodecahedral, to 0.2 mm; massive
Place of Conservation of Type Material:
Geological Institute, Academy of Geological Sciences of China, Beijing, China
Geological Setting of Type Material:
peridotite-type platinum ores
Associated Minerals at Type Locality:
Reference:
Yu Z (1996) Malanite - a new cupric platinum (Pt3+) and iridium (Ir3+) sulfide [in Chinese]. Acta Geologica Sinica 70, issue 4, 309-314
Synonyms of Malanite
Other Language Names for Malanite
Varieties of Malanite
Relationship of Malanite to other Species
Member of:
Other Members of this group:
Carrollite | CuCo2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cuproiridsite | (Cu,Fe)Ir2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cuprokalininite | CuCr2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Ezochiite | Cu+(Rh3+Pt4+)S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Fletcherite | CuNi2S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 | Iso. m3m (4/m 3 2/m) |
Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : I41/a |
Shiranuiite | Cu+(Rh3+Rh4+)S4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Toyohaite | Ag1+(Fe2+0.5Sn4+1.5)S4 | Tet. 4/m : I41/a |
Unnamed (Fe3+-analogue of Fletcherite) | Cu(Fe3+,Ni,Co)2S4 |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
2.DA. | Zaykovite | Rh3Se4 |
2.DA. | Grimmite | NiCo2S4 |
2.DA. | Zolenskyite | FeCr2S4 |
2.DA. | Ezochiite | Cu+(Rh3+Pt4+)S4 |
2.DA. | Ferrodimolybdenite | FeMo2S4 |
2.DA.05 | Bornhardtite | Co2+Co3+2Se4 |
2.DA.05 | Carrollite | CuCo2S4 |
2.DA.05 | Cuproiridsite | (Cu,Fe)Ir2S4 |
2.DA.05 | Cuprorhodsite | (Cu1+0.5Fe3+0.5)Rh3+2S4 |
2.DA.05 | Daubréelite | Fe2+Cr3+2S4 |
2.DA.05 | Fletcherite | CuNi2S4 |
2.DA.05 | Florensovite | (Cu,Zn)Cr1.5Sb0.5S4 |
2.DA.05 | Greigite | Fe2+Fe3+2S4 |
2.DA.05 | Indite | FeIn2S4 |
2.DA.05 | Kalininite | ZnCr2S4 |
2.DA.05 | Linnaeite | Co2+Co3+2S4 |
2.DA.05 | Polydymite | Ni2+Ni3+2S4 |
2.DA.05 | Siegenite | CoNi2S4 |
2.DA.05 | Trüstedtite | Ni3Se4 |
2.DA.05 | Tyrrellite | Cu(Co3+,Ni3+)2Se4 |
2.DA.05 | Violarite | Fe2+Ni3+2S4 |
2.DA.05 | Xingzhongite | Pb2+Ir3+2S4 |
2.DA.05 | Cadmoindite | CdIn2S4 |
2.DA.05 | Cuprokalininite | CuCr2S4 |
2.DA.05 | Joegoldsteinite | MnCr2S4 |
2.DA.05 | Nickeltyrrellite | CuNi2Se4 |
2.DA.10 | Rhodostannite | Cu1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.10 | Toyohaite | Ag1+(Fe2+0.5Sn4+1.5)S4 |
2.DA.15 | Brezinaite | Cr3S4 |
2.DA.15 | Heideite | (Fe,Cr)1.15(Ti,Fe)2S4 |
2.DA.20 | Inaglyite | Cu3Pb(Ir,Pt)8S16 |
2.DA.20 | Konderite | Cu3Pb(Rh,Pt,Ir)8S16 |
2.DA.25 | Kingstonite | (Rh,Ir,Pt)3S4 |
Other Information
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 Malanite
mindat.org URL:
https://www.mindat.org/min-2551.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Malanite
Reference List:
Fleischer, Michael, Pabst, Adolf, Mandarino, Joseph A., Chao, George Y., Cabri, Louis, J. (1976) New Mineral Names. American Mineralogist, 61 (1-2) 174-186
Fleischer, Michael, Cabri, Louis J., Pabst, Adolf (1980) New Mineral Names. American Mineralogist, 65 (3-4) 406-408
Barkov, A. Y., Halkoaho, T. A. A., Laajoki, K. V. O., Alapieti, T. T., Peura, R. A. (1997) Ruthenian pyrite and nickeloan malanite from the Imandra layered complex, northwestern Russia. The Canadian Mineralogist, 35 (4) 887-897
Localities for Malanite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Quick NavTopAbout MalaniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesVarietiesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Mount Filipp, Sobolevsky District, Kamchatka Krai, Russia