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Mutnovskite

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09142940015000835327516.jpg
A view on the top of Mutnosvkiy Volcano from a car's window

Mutnovsky volcano, Kamchatka Krai, Russia
Formula:
Pb4As2S6ICl
Colour:
ruby, dark red to blue
Lustre:
Resinous, Sub-Metallic
Hardness:
2
Specific Gravity:
6.177 (Calculated)
Crystal System:
Orthorhombic
Name:
For the type locality
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Classification of MutnovskiteHide

Approved
Approval Year:
2004
2.GC.50

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
C : Poly-sulfarsenites

Physical Properties of MutnovskiteHide

Resinous, Sub-Metallic
Transparency:
Opaque
Colour:
ruby, dark red to blue
Comment:
in thin slivers
Streak:
cherry-red to orange
Hardness:
Tenacity:
Fragile
Cleavage:
None Observed
Fracture:
None observed
Density:
6.177 g/cm3 (Calculated)

Chemical Properties of MutnovskiteHide

Formula:
Pb4As2S6ICl
IMA Formula:
Pb2AsS3(I,Cl,Br)
Common Impurities:
Fe,Cu,Se,Bi

Crystallography of MutnovskiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Setting:
Pnma
Cell Parameters:
a = 11.543 Å, b = 6.6764 Å, c = 9.359 Å
Ratio:
a:b:c = 1.729 : 1 : 1.402
Unit Cell V:
721.3 ų
Z:
4
Morphology:
a short-prismatic morphology, sometimes tabular

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0003993MutnovskiteZelenski M, Balic-Zunic T, Bindi L, Garavelli A, Makovicky E, Pinto D, Vurro F (2006) First occurrence of iodine in natural sulfosalts: the case of mutnovskite, Pb2AsS3(I,Cl,Br), a new mineral from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation American Mineralogist 91 21-282006Mutnovsky volcano, Kamchatka Peninsula, Russian Federation0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.69 Å(32)
4.37 Å(67)
3.34 Å(73)
3.19 Å(100)
2.715 Å(61)
2.648 Å(66)
2.539 Å(31)
2.455 Å(29)
1.894 Å(30)
Comments:
Format: d/Å (I/%) (hkl)

Type Occurrence of MutnovskiteHide

General Appearance of Type Material:
microscopic short-prismatic crystals up to 100 μm across
Geological Setting of Type Material:
high-temperature fumarole
Associated Minerals at Type Locality:

Synonyms of MutnovskiteHide

Other Language Names for MutnovskiteHide

Related Minerals - Nickel-Strunz GroupingHide

2.GC.05HatchiteAgTlPbAs2S5Tric. 1 : P1
2.GC.05Wallisite(Cu,Ag)TlPbAs2S5Tric.
2.GC.10SinneriteCu6As4S9Tric. 1 : P1
2.GC.15WatanabeiteCu4(As,Sb)2S5Orth.
2.GC.20SimoniteTlHgAs3S6Mon. 2/m
2.GC.25QuadratiteAg(Cd,Pb)AsS3Tet.
2.GC.25ManganoquadratiteAgMnAsS3Tet. 4 2 2 : P43 2 2
2.GC.30SmithiteAgAsS2Mon. 2/m
2.GC.35TrechmanniteAgAsS2Trig.
2.GC.40aAleksitePbBi2Te2S2Trig.
2.GC.40bKochkaritePbBi4Te7Trig.
2.GC.40cPoubaitePbBi2(Se,Te,S)4Trig.
2.GC.40cRucklidgeitePbBi2Te4Trig.
2.GC.40eBabkinitePb2Bi2(S,Se)3Trig.
2.GC.40dSaddlebackitePb2Bi2Te2S3Hex.
2.GC.45TvalchrelidzeiteHg3SbAsS3Mon. 2/m

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 MutnovskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zelenski, M., Balić-Žunić, T., Bindi, L., Garavelli, A., Makovický, E., Pinto, D., Vurro, F. (2006) First occurrence of iodine in natural sulfosalts: The case of mutnovskite, Pb2AsS3(I,Cl,Br), a new mineral from Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. American Mineralogist: 91: 21-28.
Bindi, L., Garavelli, A., Pinto, D., Pratesi, G., Vurro, F. (2008) Ordered distribution of I and Cl in the low-temperature crystal structure of mutnovskite, Pb4As2S6ICl: An X-ray single-crystal study. Journal of Solid State Chemistry: 18: 306-312.

Internet Links for MutnovskiteHide

Localities for MutnovskiteHide

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)
 
  • Kamchatka Krai
M. Zelenski et al.: Am. Min. 91:21-28 (2006); American Mineralogist, Volume 94, pages 1312–1324, 2009
 
Mineral and/or Locality  
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