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Patronite Mineral Data
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General Patronite Information
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 Chemical Formula: |
VS4 |
| Composition: |
Molecular Weight = 179.21 gm |
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Vanadium 28.43 % V |
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Sulfur 71.57 % S |
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______ |
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100.00 % |
| Empirical Formula: |
V5+S4 |
| Environment: |
A major ore mineral in what was the world's richest vanadium deposit. |
| IMA Status: |
Valid Species (Pre-IMA) 1906 |
| Locality: |
Mina Ragra (Minasragra), Jun�n, Cerro de Pasco, Pasco department, Peru. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Antenor Rizo-Patron, Peruvian engineer, discoverer of the Peruvian occurrence. |
| Name Pronunciation: |
Patronite + Pronunciation  |
| Synonym: |
ICSD 64770 |
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PDF 19-1408 |
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Patronite Image |
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Images:
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Images:
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Images:
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Patronite Crystallography
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| Axial Ratios: |
a:b:c =0.6506:1:1.1621 |
| Cell Dimensions: |
a = 6.78, b = 10.42, c = 12.11, Z = 8; beta = 100.8° V = 840.39 Den(Calc)= 2.83 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: I2/a |
| X Ray Diffraction: |
By Intensity(I/Io): 5.15(1), 5.47(0.6), 3.92(0.5), |
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Physical Properties of Patronite
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| Cleavage: |
{???} Distinct, {???} Distinct |
| Color: |
Lead gray, Greenish black, Black. |
| Density: |
2.82 |
| Diaphaneity: |
Opaque |
| Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Hardness: |
2 - Gypsum |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Patronite
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| RL Color: |
Dark gray. |
| RL Pleochroism: |
Strong. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Patronite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
20.20 |
29.90 |
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| 420 nm |
20.00 |
30.00 |
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| 440 nm |
19.80 |
30.10 |
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| 460 nm |
19.80 |
30.80 |
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| 480 nm |
20.00 |
31.90 |
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| 500 nm |
20.10 |
32.60 |
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| 520 nm |
20.10 |
32.90 |
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| 540 nm |
20.00 |
32.80 |
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| 560 nm |
19.80 |
32.40 |
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| 580 nm |
19.60 |
31.40 |
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| 600 nm |
19.10 |
30.50 |
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| 620 nm |
18.90 |
29.60 |
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| 640 nm |
18.80 |
29.60 |
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| 660 nm |
19.00 |
29.80 |
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| 680 nm |
19.20 |
30.30 |
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| 700 nm |
19.50 |
31.00 |
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Calculated Relative Intensity Colors of Patronite in Air
Relative
Intensity |
0% |
50% |
100% |
150% |
200% |
250% |
300% |
350% |
400% |
450% |
460% |
| R1 |
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| R2 |
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Calculated Properties of Patronite
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| Electron Density: |
Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Patronite =2.83 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0060786848
Boson Index = 0.9939213152 |
| Photoelectric: |
PEPatronite = 9.25 barns/electron
U=PEPatronite x rElectron Density= 25.42 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Patronite is Not Radioactive |
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Patronite Classification
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| Dana Class: |
02.16.21.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.21)Dana Group |
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02.16.21.01 Patronite VS4 I2/a 2/m |
| Strunz Class: |
02.EC.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S � 1:2 |
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02.EC -M:S = 1:>2 |
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02.EC.10 Patronite VS4 I2/a 2/m |
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Other Patronite 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 Patronite :
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 Patronite Specimen Label here :
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Patronite
VS4
Dana No: 02.16.21.01 Strunz No: 02.EC.10
Locality:
Notes:
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