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Cylindrite

A valid IMA mineral species - grandfathered
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About CylindriteHide

Formula:
Pb3Sn4FeSb2S14
Colour:
Grey-black
Lustre:
Metallic
Hardness:
Specific Gravity:
5.43 - 5.49
Crystal System:
Triclinic
Name:
From the Greek κύλιυδροσ, a roll, in allusion to the typical cylindrical habit of the mineral.
Cylindrite Group.

There is a relation between the cylindrical morphology and crystal structure. The latter is composite and characterizes in incommensurate modulations. There are two types of sheets, a pseudohexagonal one and a pseudotetragonal one, both with distinct lattice parameters. Crystals' core has different structure than its outer zone: the b and c axes of the two sheets are nearly parallel, but the more far from the core the more clear sheet rotation is observed. Layer curving is one of the ways of an accomodation of the dimensional sheet misfit by a cylindrite crystal.


Unique IdentifiersHide

Mindat ID:
1204
Long-form identifier:
mindat:1:1:1204:7
GUID
(UUID V4):
2ffda98d-90f3-4c38-9254-e95b6594bc3f

IMA Classification of CylindriteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
FePb3Sn4Sb2S14
First published:
1893

Classification of CylindriteHide

2.HF.25a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
F : With SnS and PbS archetype structure units
3.1.4.1

3 : SULFOSALTS
1 : ø > 4
6.1.20

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
1 : Sulphostannates and other sulfides containing Sn

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
CyIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
CyThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of CylindriteHide

Metallic
Transparency:
Opaque
Colour:
Grey-black
Streak:
Black
Hardness:
2½ on Mohs scale
Hardness:
VHN100=54 - 93 kg/mm2 - Vickers
Tenacity:
Malleable
Cleavage:
Perfect
On {100}
Density:
5.43 - 5.49 g/cm3 (Measured)    5.443 g/cm3 (Calculated)

Optical Data of CylindriteHide

Anisotropism:
Distinct, gray to pale yellowish or brownish gray
Reflectivity:
WavelengthR1R2
400nm34.5%40.3%
440nm34.1%40.1%
480nm33.1%39.4%
520nm31.8%38.3%
560nm30.7%37.2%
600nm29.9%36.3%
640nm29.3%35.5%
680nm28.6%34.7%
700nm28.4%34.4%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 40.3%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Galena-white
Pleochroism:
Weak
Comments:
Extremely weak: Parallel to elongation gray-white, perpendicular to the elongation, darker gray-white. Stronger in oil.

Chemistry of CylindriteHide

Mindat Formula:
Pb3Sn4FeSb2S14
Common Impurities:
Ag

Crystallography of CylindriteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Morphology:
Massive. Cylindrical forms separating under pressure into smooth, concentric shells. Spherically-grouped aggregates.
Comment:
Space Group: Two subcells are recognized, both P1 : the first (pseudotetragonal) has a = 11.733(5) b = 5.790(8) c = 5.810(5) α = 90.00(0.20)◦ β = 92.38(0.20)◦ γ = 93.87(0.20)◦ Z = 2 and the second (pseudohexagonal) has a = 11.709(5) b = 3.670(8) c = 6.320(5) α = 90.00(0.20)◦ β = 92.58(0.20)◦ γ = 90.85(0.20)◦ Z=2

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
3.85 Å(100)
2.885 Å(100)
3.9 Å(90)
3.06 Å(65)
2.849 Å(65)
2.044 Å(65)
2.026 Å(65)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Geological Setting:
Tin bearing hydrothermal veins

Type Occurrence of CylindriteHide

General Appearance of Type Material:
Crystals formed of shells of cylindrical layers.
Place of Conservation of Type Material:
Mining Academy, Freiberg, Germany.
The Natural History Museum, London, England, 84255.
Reference:
Frenzel, A. (1893) Ueber den kylindrit. Neues Jahrbuch für Mineralogie, Geologie und Palaontologie: 2: 125-128.

Synonyms of CylindriteHide

Other Language Names for CylindriteHide

Catalan:Cilindrita
Simplified Chinese:圆柱锡矿
Spanish:Cylindrita

Relationship of Cylindrite to other SpeciesHide

Other Members of this group:
AbramovitePb2SnInBiS7Tric. 1 : P1
LévyclauditePb8Sn7Cu3(Bi,Sb)3S28Tric. 1
MerelaniiteMo4Pb4VSbS15Tric. 1

Common AssociatesHide

Associated Minerals Based on Photo Data:
16 photos of Cylindrite associated with Wurtzite(Zn,Fe)S
9 photos of Cylindrite associated with Incaite(Pb,Ag)4Sn4FeSb2S15
8 photos of Cylindrite associated with SphaleriteZnS
5 photos of Cylindrite associated with PyriteFeS2
3 photos of Cylindrite associated with StanniteCu2FeSnS4
2 photos of Cylindrite associated with FranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14
2 photos of Cylindrite associated with CassiteriteSnO2
2 photos of Cylindrite associated with QuartzSiO2
1 photo of Cylindrite associated with PotosíitePb6Sn3FeSb3S16
1 photo of Cylindrite associated with Kësterite Cu2ZnSnS4

Related Minerals - Strunz-mindat GroupingHide

2.HF.RamositePb25.7Sn8.3Mn3.4Sb6.4S56.2Mon.
2.HF.20VrbaiteHg3Tl4As8Sb2S20Orth. mmm (2/m 2/m 2/m) : Cmca
2.HF.25bFranckeiteFe2+(Pb,Sn2+)6Sn4+2Sb2S14Tric. 1 : P1
2.HF.25aLévyclauditePb8Sn7Cu3(Bi,Sb)3S28Tric. 1
2.HF.25bPotosíitePb6Sn3FeSb3S16Tric.
2.HF.25bCoiraite(Pb,Sn)12.5Sn5FeAs3S28Mon.
2.HF.25aAbramovitePb2SnInBiS7Tric. 1 : P1
2.HF.25b vPlumbostannitePb2Fe2Sn2Sb2S11
2.HF.25aMerelaniiteMo4Pb4VSbS15Tric. 1
2.HF.30Lengenbachite Ag4Cu2Pb18As12S39Tric.

Other InformationHide

Magnetism:
Ferromagnetic
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for CylindriteHide

References for CylindriteHide

Reference List:

Localities for CylindriteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Jujuy Province
    • Rinconada Department
      • Mina Pirquitas
DE BRODTKORB +3 other references
          • San Miguel Open pit
Paar et al. (2000) +2 other references
Bolivia
 
  • Oruro
    • Cercado Province
Wilson (2001)
Petrov et al. (2001)
Wilson (2001) +2 other references
    • Pantaleón Dalence Province
      • Huanuni
Cacho et al. (2019)
Dana 7:I:483. +1 other reference
Dana 7:I:440 +2 other references
Franco (2018)
Jiménez-Franco et al. (2018)
Jiménez-Franco et al. (2018)
    • Poopó Province
Wilson (2001) +1 other reference
        • Callapampa
- (Cylindrite specimens alleged to be from the Candelaria mine are more likely to be from the neighbouring Trinacria mine.)
Dana 7:I:449 +2 other references
Ahlfeld et al. (1964)
Wilson (2001)
  • Potosí
    • Antonio Quijarro Province
      • Uyuni Municipality
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
Ahlfeld et al. (1964)
    • Chayanta Province
      • Colquechaca Municipality
Wilson (2001)
Economic Geology - Volume 16 - Page 68
    • Rafael Bustillo Province
      • Llallagua
Alfredo Petrov
Mineralogical Record: 32: 474. +1 other reference
Cook (1977)
Ireland
 
  • Leinster
    • Meath County
      • Navan (An Uaimh)
C. J. Andrew and J. H. Ashton (1985) +2 other references
Japan
 
  • Miyagi Prefecture
Narita (1963)
Russia
 
  • Irkutsk Oblast
    • Bodaybinsky District
      • Bodaibo
        • Lena Gold District
          • Kropotkinsky ore cluster
www.igem.ru (2001) +1 other reference
Ukraine
 
  • Donetsk Oblast
[World of Stones 12:20]
 
Mineral and/or Locality  
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