Malanite Mineral Data

[Mineral Galleries] [About Me] [e-Bay Items] [Latest News] [How to Order]
A Diverse Selection of Beautifully Unique Gem & Mineral Specimens
Desert Winds Gems & Minerals • For All Levels of Collectors Worldwide
Aesthetic & Rare Mineral Specimens • Regular Updates

General Malanite Information

Chemical Formula:

Cu(Pt,Ir)2S4

Composition:

Molecular Weight = 580.54 gm

Copper 10.95 % Cu

Iridium 16.56 % Ir

Platinum 50.40 % Pt

Sulfur 22.09 % S

______

100.00 %

Empirical Formula:

CuPt_1.5Ir_0.5S₄

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

ICSD 56265

IMA1995-003

PDF 38-406

Malanite Image

Images:

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

Malanite Crystallography

Cell Dimensions:

a = 9.91, Z = 8; V = 973.24 Den(Calc)= 7.92

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 1.75(1), 1.9(0.7), 2.98(0.6),

Physical Properties of Malanite

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

Optical Properties of Malanite

RL Color:

Bright white with a faint brown tint.

Calculated Properties of Malanite

Electron Density:

Bulk Density (Electron Density)=6.78 gm/cc
note: Specific Gravity of Malanite =7.92 gm/cc.

Fermion Index:

Fermion Index = 0.17
Boson Index = 0.83

Photoelectric:

PE_Malanite=1,009.01 barns/electron
U=PE_Malanite x rElectron Density=6,841.39 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Malanite is Not Radioactive

Malanite Classification

Dana Class:

02.10.01.17 (02)Sulfides - Including Selenides and Tellurides

(02.10)where Am Bn Xp, with (m+n):p=3:4

(02.10.01)Linnaeite Group (Isometric: Fd3m)

02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m

02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m

02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m

02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m

02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m

02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m

02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m

02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m

02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m

02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m

02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m

02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m

02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m

02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m

02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m

02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m

02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m

02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m

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

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DA -M:S = 3:4

02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m

02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m

02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m

02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m

02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m

02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m

02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m

02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m

02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m

02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m

02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m

02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m

02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m

02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m

02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m

02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m

02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m

02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m

02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m

02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m

02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m

Other Malanite Information

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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Malanite using:

[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Malanite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Malanite Mineral Data :

Ask about Malanite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Malanite Specimen Label here :

Malanite

Cu(Pt,Ir)2S4
Dana No: 02.10.01.17 Strunz No: 02.DA.05
Locality:

Notes: