| |
 |
Cylindrite Mineral Data
|
|
|
General Cylindrite Information
|
 Chemical Formula: |
Pb3Sn4FeSb2S14 |
| Composition: |
Molecular Weight = 1,844.71 gm |
| |
Iron 3.03 % Fe |
| |
Tin 25.74 % Sn |
| |
Antimony 13.20 % Sb |
| |
Lead 33.70 % Pb |
| |
Sulfur 24.34 % S |
| |
______ |
| |
100.00 % |
| Empirical Formula: |
Pb3Sn4Fe2+Sb2S14 |
| Environment: |
In tin-bearing hydrothermal veins. |
| IMA Status: |
Valid Species (Pre-IMA) 1893 |
| Locality: |
Poopo, in Oruro, Boliva. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek, kylindros, "cylinder." |
| |
Cylindrite Image |
|
Images:
|
|
Cylindrite Crystallography
|
| Axial Ratios: |
a:b:c =2.0264:1:1.0017 |
| Cell Dimensions: |
a = 11.733, b = 5.79, c = 5.8, Z = 0.6666; alpha = 90°, beta = 92.38°, gamma = 93.87° V = 392.78 Den(Calc)= 5.20 |
| Crystal System: |
Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.88(1), 3.85(1), 5.73(0.5), |
| |
Physical Properties of Cylindrite
|
| Cleavage: |
None |
| Color: |
Lead gray, Grayish black. |
| Density: |
5.4 - 5.42, Average = 5.41 |
| Diaphaneity: |
Opaque |
| Fracture: |
Malleable - Deforms rather than breaking apart with a hammer. |
| Habit: |
Cylindrical - Shaped like a cylinder. |
| Habit: |
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite) |
| Hardness: |
2.5 - Finger Nail |
| Luster: |
Metallic |
| Streak: |
black |
| |
Optical Properties of Cylindrite
|
| RL Anisotrophism: |
Distinct, gray to pale yellowish or brownish gray. |
| RL Color: |
Galena white. |
| RL Pleochroism: |
Exceptionally weak in air, stronger in oil. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Cylindrite in Air
| λ |
R1 |
R2 |
 |
∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
33.80 |
38.00 |
|
|
|
| 420 nm |
33.80 |
38.00 |
|
| 440 nm |
33.80 |
37.90 |
|
| 460 nm |
33.70 |
37.80 |
|
| 480 nm |
33.40 |
37.40 |
|
| 500 nm |
33.00 |
37.00 |
|
| 520 nm |
32.60 |
36.40 |
|
| 540 nm |
32.00 |
36.40 |
|
| 560 nm |
31.50 |
35.90 |
|
| 580 nm |
31.00 |
35.40 |
|
| 600 nm |
30.60 |
35.00 |
|
| 620 nm |
30.30 |
34.70 |
|
| 640 nm |
29.90 |
34.40 |
|
| 660 nm |
29.60 |
34.20 |
|
| 680 nm |
29.30 |
34.00 |
|
| 700 nm |
29.00 |
33.80 |
|
Calculated Relative Intensity Colors of Cylindrite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
290% |
| R1 |
|
|
|
|
|
|
|
|
|
|
|
|
| R2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Calculated Properties of Cylindrite
|
| Electron Density: |
Bulk Density (Electron Density)=4.50 gm/cc
note: Specific Gravity of Cylindrite =5.20 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PECylindrite = 727.14 barns/electron
U=PECylindrite x rElectron Density=3,271.34 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cylindrite is Not Radioactive |
| |
Cylindrite Classification
|
| Dana Class: |
03.01.04.01 (03)Sulfides - Sulfosalts |
| |
(03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
| |
(03.01.04)Cylindrite Group |
| |
03.01.04.01 Cylindrite Pb3Sn4FeSb2S14 P1 1 |
| |
03.01.04.02 Franckeite (Pb,Sn)6FeSn2Sb2S14 P1 1 |
| |
03.01.04.03 Incaite Pb4Sn4FeSb2S15 P1 ? 1 |
| |
03.01.04.04 Potosiite Pb6Sn2FeSb2S14 P 1 ? 1 |
| |
03.01.04.05 Abramovite! Pb2SnInBiS7 P1 1 |
| |
03.01.04.06 Coiraite! (Pb,Sn)12.5As3Sn5FeS28 Unk Mono |
| Strunz Class: |
02.HF.25a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
| |
02.H - Sulfosalts of SnS Archetype |
| |
02.HF -With SnS and PbS archetype structure units |
| |
02.HF.25a Cylindrite Pb3Sn4FeSb2S14 P1 1 |
| |
02.HF.25a Levyclaudite Pb8Sn7Cu3(Bi,Sb)3S28 A2 ? 2 |
| |
02.HF.25a Abramovite! Pb2SnInBiS7 P1 1 |
| |
Other Cylindrite Information
|
| References: |
NAME( Duda&Rejl90) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Cylindrite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - theimage
Search for Cylindrite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Cylindrite :
Ask about Cylindrite 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 Cylindrite Specimen Label here :
|
Cylindrite
Pb3Sn4FeSb2S14
Dana No: 03.01.04.01 Strunz No: 02.HF.25a
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.
