|
![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Tyrrellite Mineral Data
|
|
|
General Tyrrellite Information
|
Chemical Formula: |
(Cu,Co,Ni)3Se4 |
Composition: |
Molecular Weight = 500.87 gm |
|
Cobalt 10.59 % Co |
|
Copper 22.84 % Cu |
|
Nickel 3.52 % Ni |
|
Selenium 63.06 % Se |
|
______ |
|
100.00 % |
Empirical Formula: |
Cu1.8Co0.9Ni0.3Se4 |
Environment: |
With other selenides as the youngest hydrothermal replacements and open space fillings in sheared Precambrian rocks. |
IMA Status: |
Valid Species (Pre-IMA) 1952 |
Locality: |
Western part of the Eagle Claims, Beaver Lodge Lake, Goldfields district, Saskatchewan, Canada Link to MinDat.org Location Data. |
Name Origin: |
Named for Joseph Burr Tyrell (1858-1957), first geologist to visit the area of discovery in Canada. |
Name Pronunciation: |
Tyrrellite + Pronunciation |
|
Tyrrellite Image |
Images:
|
|
Tyrrellite Crystallography
|
Cell Dimensions: |
a = 10.005, Z = 8; V = 1,001.50 Den(Calc)= 6.64 |
Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
X Ray Diffraction: |
By Intensity(I/Io): 1.769(1), 2.501(0.9), 2.886(0.7), |
|
Physical Properties of Tyrrellite
|
Cleavage: |
{001} Distinct |
Color: |
Bronze. |
Diaphaneity: |
Opaque |
Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Hardness: |
3.5 - Copper Penny |
Luster: |
Metallic |
Streak: |
black |
|
Optical Properties of Tyrrellite
|
RL Color: |
Light brassy bronze. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Tyrrellite in Air
λ |
R |
![](../images/Reflect_scale_v.gif) |
∑ R(λ) |
400 nm |
43.20 |
![](../images/400nm.BMP) |
|
420 nm |
44.20 |
![](../images/420nm.BMP) |
440 nm |
45.20 |
![](../images/440nm.BMP) |
460 nm |
45.80 |
![](../images/460nm.BMP) |
480 nm |
46.00 |
![](../images/480nm.BMP) |
500 nm |
46.70 |
![](../images/500nm.BMP) |
520 nm |
47.00 |
![](../images/520nm.BMP) |
540 nm |
47.30 |
![](../images/540nm.BMP) |
560 nm |
47.50 |
![](../images/560nm.BMP) |
580 nm |
47.80 |
![](../images/580nm.BMP) |
600 nm |
48.00 |
![](../images/600nm.BMP) |
620 nm |
48.40 |
![](../images/620nm.BMP) |
640 nm |
48.80 |
![](../images/640nm.BMP) |
660 nm |
49.30 |
![](../images/660nm.BMP) |
680 nm |
49.70 |
![](../images/680nm.BMP) |
700 nm |
50.20 |
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Tyrrellite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
200% |
R |
|
|
|
|
|
|
|
|
|
|
|
Calculated Properties of Tyrrellite
|
Electron Density: |
Bulk Density (Electron Density)=5.86 gm/cc note: Specific Gravity of Tyrrellite =6.64 gm/cc. |
Fermion Index: |
Fermion Index = 0.04 Boson Index = 0.96 |
Photoelectric: |
PETyrrellite = 66.51 barns/electron U=PETyrrellite x rElectron Density= 389.52 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tyrrellite is Not Radioactive |
|
Tyrrellite Classification
|
Dana Class: |
02.10.01.04 (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 Tyrrellite Information
|
References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Tyrrellite :
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
15 - WWW-MINCRYST
Search for Tyrrellite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Tyrrellite :
Ask about Tyrrellite 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
Espaņol
Print or Cut-and-Paste your Tyrrellite Specimen Label here :
Tyrrellite
(Cu,Co,Ni)3Se4
Dana No: 02.10.01.04 Strunz No: 02.DA.05
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.