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Tyrrellite Mineral Data
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General Tyrrellite Information
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 Chemical Formula: |
(Cu,Co,Ni)3Se4 |
| Composition: |
Molecular Weight = 500.87 gm |
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Cobalt 10.59 % Co |
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Copper 22.84 % Cu |
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Nickel 3.52 % Ni |
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Selenium 63.06 % Se |
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______ |
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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  |
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Tyrrellite Image |
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Images:
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Tyrrellite Crystallography
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| 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), |
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Physical Properties of Tyrrellite
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| 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 |
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Optical Properties of Tyrrellite
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| RL Color: |
Light brassy bronze. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Tyrrellite in Air
| λ |
R |
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∑ R(λ) |
| 400 nm |
43.20 |
 |
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| 420 nm |
44.20 |
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| 440 nm |
45.20 |
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| 460 nm |
45.80 |
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| 480 nm |
46.00 |
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| 500 nm |
46.70 |
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| 520 nm |
47.00 |
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| 540 nm |
47.30 |
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| 560 nm |
47.50 |
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| 580 nm |
47.80 |
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| 600 nm |
48.00 |
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| 620 nm |
48.40 |
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| 640 nm |
48.80 |
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| 660 nm |
49.30 |
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| 680 nm |
49.70 |
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| 700 nm |
50.20 |
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Calculated Relative Intensity Colors of Tyrrellite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
200% |
| R |
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Calculated Properties of Tyrrellite
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| Electron Density: |
Bulk Density (Electron Density)=5.86 gm/cc
note: Specific Gravity of Tyrrellite =6.64 gm/cc.
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| 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.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tyrrellite is Not Radioactive |
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Tyrrellite Classification
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| Dana Class: |
02.10.01.04 (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 Tyrrellite Information
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| 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
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Print or Cut-and-Paste your Tyrrellite Specimen Label here :
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Tyrrellite
(Cu,Co,Ni)3Se4
Dana No: 02.10.01.04 Strunz No: 02.DA.05
Locality:
Notes:
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