Carrollite Mineral Data (original) (raw)
General Carrollite Information
Chemical Formula:
Cu(Co,Ni)2S4
Composition:
Molecular Weight = 309.55 gm
Cobalt 28.56 % Co
Copper 20.53 % Cu
Nickel 9.48 % Ni
Sulfur 41.43 % S
______
100.00 %
Empirical Formula:
CuCo1.5Ni0.5S4
Environment:
In hydrothermal vein deposits.
IMA Status:
Valid Species (Pre-IMA) 1852
Locality:
In the USA, in the Patapsco mine, Finksburg, and the Mineral Hill mine, Sykesville, Carroll Co., Maryland. Link to MinDat.org Location Data.
Name Origin:
For its occurrence in Carroll Co., Maryland, USA.
Name Pronunciation:
Carrollite + Pronunciation 
Synonym:
ICSD 31107
PDF 42-1450
Carrollite Image
Images:
 |
Carrollite Comments: Carrollite crystal with minor attached matrix. Location: Komoto-Frond in the Democratic Republic of the Congo.Scale: 1.2 cm. © John Veevaert |
|---|
Images:
 |
Carrollite Comments: Polished Section (PPL) image of corroded remnants of early, Ni-carrollite (grey-carr) in the core of a large pyrite (py) atoll structure wtth brown bornite and golden chalcopyrite. Location: Giant Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada.Scale: F.V.= 2 mm. © National Resouces of Canada |
|---|
Carrollite Crystallography
Cell Dimensions:
a = 9.477, Z = 8; V = 851.16 Den(Calc)= 4.83
Crystal System:
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F d3m
X Ray Diffraction:
By Intensity(I/Io): 2.86(1), 1.674(0.8), 1.825(0.6),
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
| | Williamson D P , Grimes N W , Journal of Physics D: Applied Physics , 7 (1974) p.1-6, An X-ray diffraction investigation of sulphide spinels View Additional jPOWD Structure files for Carrollite [1] [2] | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Carrollite
Cleavage:
{001} Indistinct
Color:
Gray, Gray, Copper red, Light gray, Steel.
Density:
4.5 - 4.8, Average = 4.65
Diaphaneity:
Opaque
Fracture:
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Hardness:
4.5-5.5 - Near Apatite
Luster:
Metallic
Optical Properties of Carrollite
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Carrollite in Air
| λ | R |  |
∑ R(λ) |
|---|---|---|---|
| 400 nm | 40.50 |  |
|
| 420 nm | 40.60 |  |
|
| 440 nm | 40.70 |  |
|
| 460 nm | 40.70 |  |
|
| 480 nm | 40.80 |  |
|
| 500 nm | 40.90 |  |
|
| 520 nm | 41.20 |  |
|
| 540 nm | 41.80 |  |
|
| 560 nm | 41.80 |  |
|
| 580 nm | 41.90 |  |
|
| 600 nm | 42.10 |  |
|
| 620 nm | 42.70 |  |
|
| 640 nm | 43.30 |  |
|
| 660 nm | 43.90 |  |
|
| 680 nm | 44.60 |  |
|
| 700 nm | 45.00 |  |
Calculated Relative Intensity Colors of Carrollite in Air
| RelativeIntensity | 0% | 30% | 60% | 90% | 100% | 120% | 150% | 180% | 210% | 220% |
|---|---|---|---|---|---|---|---|---|---|---|
| R |
Calculated Properties of Carrollite
Electron Density:
Bulk Density (Electron Density)=4.60 gm/cc
note: Specific Gravity of Carrollite =4.83 gm/cc.
Fermion Index:
Fermion Index = 0.0041788352
Boson Index = 0.9958211648
Photoelectric:
PECarrollite = 24.99 barns/electron
U=PECarrollite x rElectron Density= 115.04 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carrollite is Not Radioactive
Carrollite Classification
Dana Class:
02.10.01.02 (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 Carrollite Information
References:
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AmMin)
See Also:
Links to other databases for Carrollite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Franklin Minerals(Dunn)
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - HyperPhysics
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - Scandinavian mineral gallery
16 - WWW-MINCRYST
Search for Carrollite using:
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]
Visit our Advertisers for Carrollite :
A Bijoux Google Search for Carrollite
Adam's Minerals Google Search for Carrollite
Cape Minerals Google Search for Carrollite
Dakota Matrix Minerals Google Search for Carrollite
Excalibur Mineral Corp. Google Search for Carrollite
Exceptional Minerals Google Search for Carrollite
John Betts Fine Minerals Search for Carrollite
McDougall Minerals Google Search for Carrollite
Mineral News Website Link
Rock and Mineral Shows Google Search for Carrollite
Weinrich Minerals, Inc. Google Search for Carrollite
Ask about Carrollite 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 Espa�ol
Print or Cut-and-Paste your Carrollite Specimen Label here :
Carrollite
Cu(Co,Ni)2S4
Dana No: 02.10.01.02 Strunz No: 02.DA.05
Locality:
Notes: