Picotpaulite Mineral Data (original) (raw)

General Picotpaulite Information

Help on Chemical Formula: Chemical Formula:

TlFe2S3

Help on Composition: Composition:

Molecular Weight = 412.28 gm

Thallium 49.57 % Tl

Iron 27.09 % Fe

Sulfur 23.33 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

TlFe2+2S3

Help on Environment: Environment:

Ina hydrothermal ore deposit with other arsenic minerals.

Help on IMA Status: IMA Status:

Approved IMA 1970

Help on Locality: Locality:

Allchar, Macedonia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Paul Picot (1931-), French mineralogist.

Help on Name Pronunciation: Name Pronunciation:

Picotpaulite + Pronunciation Say PICOTPAULITE

Picotpaulite Image

Click Here for Larger Picotpaulite Image in a New Browser Window Images:

Picotpaulite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.5037:1:0.8432

Help on Cell Dimensions: Cell Dimensions:

a = 5.4, b = 10.72, c = 9.04, Z = 4; V = 523.31 Den(Calc)= 5.23

Help on Crystal System: Crystal System:

Orthorhombic - DisphenoidalH-M Symbol (2 2 2) Space Group: C 222

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.912(1), 4.26(0.9), 3.8(0.7),

Click Here for Large Picotpaulite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Help on Above

| | Balic-Zunic T , Karanovic L , Poleti D , Acta Chimica Slovenica , 55 (2008) p.801-809, Crystal structure of picotpaulite, TlFe2S3, from Allchar, FYR Macedonia, Locality: Allchar, FYR Macedonia | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Picotpaulite

Help on Color: Color:

Bronze.

Help on Density: Density:

5.2

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Help on Habit: Habit:

Platy - Sheet forms (e.g. micas).

Help on Habit: Habit:

Pseudo Hexagonal - Crystals show a hexagonal outline.

Help on Hardness: Hardness:

2 - Gypsum

Help on Luster: Luster:

Metallic

Optical Properties of Picotpaulite

Help on RL Anisotrophism: RL Anisotrophism:

Strong, in gray-violet tints.

Help on RL Color: RL Color:

Creamy white.

Help on RL Pleochroism: RL Pleochroism:

Strong.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Picotpaulite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
400 nm 23.50 28.70
420 nm 24.50 30.30
440 nm 25.50 31.90
460 nm 25.80 32.40
480 nm 25.40 32.00
500 nm 24.60 31.30
520 nm 24.30 31.00
540 nm 24.20 31.00
560 nm 24.40 31.40
580 nm 24.60 32.20
600 nm 25.20 33.10
620 nm 25.70 33.80
640 nm 26.50 34.70
660 nm 27.30 35.60
680 nm 28.20 36.60
700 nm 29.20 37.60

Calculated Relative Intensity Colors of Picotpaulite in Air

RelativeIntensity 0% 40% 80% 100% 120% 160% 200% 240% 280% 320% 360%
R1
R2

Calculated Properties of Picotpaulite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.59 gm/cc
note: Specific Gravity of Picotpaulite =5.23 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0074935311
Boson Index = 0.9925064689

Help on Photoelectric: Photoelectric:

PEPicotpaulite = 840.76 barns/electron
U=PEPicotpaulite x rElectron Density=3,860.95 barns/cc.

Help on Radioactivity: Radioactivity:

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

Picotpaulite Classification

Help on Dana Class: Dana Class:

02.09.12.02 (02)Sulfides - Including Selenides and Tellurides

(02.09)where Am Bn Xp, with (m+n):p=1:1

(02.09.12)Dana Group

02.09.12.01 Sternbergite AgFe2S3 C mma 2/m 2/m 2/m

02.09.12.02 Picotpaulite TlFe2S3 C 222 2 2 2

Help on Strunz Class: Strunz Class:

02.CB.60 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CB -With Zn, Fe, Cu, Ag, Au, etc

02.CB.60 Picotpaulite TlFe2S3 C 222 2 2 2

02.CB.60 Raguinite TlFeS2 Unk Ortho

Other Picotpaulite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1)

Help on See Also: See Also:

Links to other databases for Picotpaulite :
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

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Ask about Picotpaulite here :
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Print or Cut-and-Paste your Picotpaulite Specimen Label here :

Picotpaulite

TlFe2S3
Dana No: 02.09.12.02 Strunz No: 02.CB.60
Locality:

Notes: