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Pautovite

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Russian mineralogist Leonid Anatol'evich Pautov.
Formula:
CsFe2S3
Colour:
Dark steel-grey
Lustre:
Metallic
Specific Gravity:
3.85 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honour of Leonid A. Pautov (b. 1958), in recognition of his studies of minerals by physical methods.
Isostructural with:
An unusual caesium sulphide mineral that occurs as small elongated black aggregates. The only currently known mineral combining Cs and S. The second Cs-Fe mineral after caesiumpharmacosiderite.


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Classification of PautoviteHide

Approved
Approval Year:
2004
2.FB.20

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
B : With alkalies (without Cl, etc.)

Physical Properties of PautoviteHide

Metallic
Transparency:
Opaque
Comment:
strong
Colour:
Dark steel-grey
Comment:
blackens in air
Streak:
could not be measured
Comment:
could not be measured
Tenacity:
Flexible
Cleavage:
Perfect
{110}
Fracture:
Splintery
Density:
3.85 g/cm3 (Calculated)
Comment:
couldn't be measured

Optical Data of PautoviteHide

Type:
Anisotropic
Anisotropism:
strong, pale brownish
Bireflectance:
strong
Reflectivity:
470nmR1=14.0%R2=24.6%
546nmR1=14.7%R2=23.5%
589nmR1=15.2%R2=24.6%
650nmR1=16.0%R2=27.1%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 27.1%.
R1 shown in black, R2 shown in red
Internal Reflections:
not observed
Pleochroism:
Visible
Comments:
greyish white to grey with a slight pinkish tint

Chemical Properties of PautoviteHide

Formula:
CsFe2S3

Crystallography of PautoviteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
Cell Parameters:
a = 9.477 Å, b = 11.245 Å, c = 5.485 Å
Ratio:
a:b:c = 0.843 : 1 : 0.488
Unit Cell V:
584.5 ų
Z:
4
Twinning:
not observed

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.69 (30)
4.28 (20)
2.981(100)
2.723 (40)
2.003 (30)
1.910 (60)
1.785 (30)
1.565 (40)

Type Occurrence of PautoviteHide

Synonyms of PautoviteHide

Other Language Names for PautoviteHide

German:Pautovit
Simplified Chinese:硫铁铯矿
Traditional Chinese:硫鐵銫礦

Related Minerals - Nickel-Strunz GroupingHide

2.FB.05CaswellsilveriteNaCrS2Trig. 3m (3 2/m) : R3m
2.FB.05SchöllhorniteNa0.3CrS2 · H2OTrig.
2.FB.05CronusiteCa0.2CrS2 · 2 H2OTrig. 3m : R3m
2.FB.10ChvilevaiteNa(Cu,Fe,Zn)2S4Trig. 3m : R3m
2.FB.15Orickite2CuFeS2 · H2OHex.
2.FB.20RasvumiteKFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.FB.25ColimaiteK3VS4Orth. mmm (2/m 2/m 2/m) : Pnma

Other InformationHide

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

References for PautoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V., A.A. Agakhanov, M.M. Boldyreva, and V.G. Grishin (2005): Pautovite, CsFe2S3, a new mineral species from the Lovozero alkaline complex, Kola Peninsula, Russia. Canadian Mineralogist: 43: 965-972.

Internet Links for PautoviteHide

Localities for PautoviteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
        • Kedykverpakhk Mt
          • Karnasurt mine (Kedyk area)
Mineralogical Record: 36(4): 397-416.
Mineral and/or Locality  
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