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Malanite Mineral Data
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General Malanite Information
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 Chemical Formula: |
Cu(Pt,Ir)2S4 |
| Composition: |
Molecular Weight = 580.54 gm |
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Copper 10.95 % Cu |
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Iridium 16.56 % Ir |
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Platinum 50.40 % Pt |
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Sulfur 22.09 % S |
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______ |
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100.00 % |
| Empirical Formula: |
CuPt1.5Ir0.5S4 |
| Environment: |
In peridotite-type platinum ores with Cu-Ni sulfides. |
| IMA Status: |
Approved IMA 1995 |
| Locality: |
Malan valley, Zunhua, Hebei Province, China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Malanite  |
| Synonym: |
Cobaltmalanite - Co-bearing malanite |
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ICSD 56265 |
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IMA1995-003 |
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PDF 38-406 |
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Malanite Image |
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Images:
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Malanite
Comments: Epoxy grain mount of silver gray metallic polished fragment of malanite.
Location: Placer concentrate from Philipp Massif, Kamchatka, Russia.
Scale: See Image.
© Rruff Database |
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Malanite Crystallography
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| Cell Dimensions: |
a = 9.91, Z = 8; V = 973.24 Den(Calc)= 7.92 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.75(1), 1.9(0.7), 2.98(0.6), |
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Physical Properties of Malanite
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| Color: |
White, Steel gray. |
| Density: |
7.4 |
| Diaphaneity: |
Opaque |
| Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
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Optical Properties of Malanite
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| RL Color: |
Bright white with a faint brown tint. |
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Calculated Properties of Malanite
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| Electron Density: |
Bulk Density (Electron Density)=6.78 gm/cc
note: Specific Gravity of Malanite =7.92 gm/cc.
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| Fermion Index: |
Fermion Index = 0.17
Boson Index = 0.83 |
| Photoelectric: |
PEMalanite =1,009.01 barns/electron
U=PEMalanite x rElectron Density=6,841.39 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Malanite is Not Radioactive |
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Malanite Classification
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| Dana Class: |
02.10.01.17 (02)Sulfides - Including Selenides and Tellurides |
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(02.10)where Am Bn Xp, with (m+n):p=3:4 |
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(02.10.01)Linnaeite Group (Isometric: Fd3m) |
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02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m |
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02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m |
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02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m |
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02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m |
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02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m |
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02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m |
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02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m |
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02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m |
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02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m |
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02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m |
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02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m |
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02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m |
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02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m |
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02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m |
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02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
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02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
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02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
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02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
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02.10.01.19 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m |
| Strunz Class: |
02.DA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DA -M:S = 3:4 |
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02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m |
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02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m |
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02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m |
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02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m |
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02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m |
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02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m |
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02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m |
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02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m |
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02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m |
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02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m |
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02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m |
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02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m |
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02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m |
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02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m |
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02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m |
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Other Malanite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Am.Min.,Vol.82,p820,1997) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Malanite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Malanite
Cu(Pt,Ir)2S4
Dana No: 02.10.01.17 Strunz No: 02.DA.05
Locality:
Notes:
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