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Mukhinite

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About MukhiniteHide

Aleksei S. Mukhin
Formula:
{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)
Colour:
Black with a brownish tint
Lustre:
Vitreous
Hardness:
8
Specific Gravity:
3.47 (Calculated)
Crystal System:
Monoclinic
Name:
Named by A.V. Shepel and M.V. Karpenko in 1969 in honor of Aleksei Stepanovich Mukhin (1910, Balagansk, Irkutsk, Russian Empire - 1974), geologist of the Western Siberia Geological Administration, who made great contributions to the study of iron ore deposits in Gornaya Shoria, the iron ore deposit where the mineral was first found.

Classification of MukhiniteHide

Approved
Approval Year:
1968
First Published:
1969
Approval History:
IMA 1968-035
9.BG.05

9 : SILICATES (Germanates)
B : Sorosilicates
G : Sorosilicates with mixed SiO4 and Si2O7 groups; cations in octahedral [6] and greater coordination
58.2.1a.10

58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
2 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
16.15.2

16 : Silicates Containing Aluminum and other Metals
15 : Aluminosilicates of V and Cr

Physical Properties of MukhiniteHide

Vitreous
Transparency:
Translucent
Colour:
Black with a brownish tint
Streak:
Pale brownish-gray
Hardness:
Hardness:
VHN100=1375 - Vickers
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Perfect
[001] perfect, [100] less so.
Density:
3.47 g/cm3 (Calculated)

Optical Data of MukhiniteHide

Type:
Biaxial (+)
RI values:
nα = 1.723 nβ = 1.733 nγ = 1.755
2V:
Measured: 88° , Calculated: 70°
Max Birefringence:
δ = 0.032
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v medium
Pleochroism:
Strong
Comments:
X pale olive-green, Y pale reddish-brown, Z reddish-brown.

Chemical Properties of MukhiniteHide

Formula:
{Ca2}{Al2V3+}(Si2O7)(SiO4)O(OH)
IMA Formula:
Ca2(Al2V3+)[Si2O7][SiO4]O(OH)
Common Impurities:
Fe,Cr,Mg,H2O,S

Crystallography of MukhiniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.9 Å, b = 5.61 Å, c = 10.15 Å
β = 115.5°
Ratio:
a:b:c = 1.586 : 1 : 1.809
Unit Cell V:
457.41 ų (Calculated from Unit Cell)
Twinning:
Sometimes be twinned on {100}

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.892 (100)
2.682 (80)
2.600 (80)
2.530 (70)
2.398 (80)
1.638 (70)
1.405 (80)
1.394 (80)

Type Occurrence of MukhiniteHide

General Appearance of Type Material:
Irregular grains and irregular, short prismatic crystals in marble.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 71421.
Geological Setting of Type Material:
In marble, at an iron ore deposit.

Synonyms of MukhiniteHide

Other Language Names for MukhiniteHide

Relationship of Mukhinite to other SpeciesHide

Other Members of this group:
Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
Niigataite{CaSr}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m
Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Piemontite-(Pb){CaPb}{Al2Mn3+}(Si2O7)(SiO4)O(OH) Mon. 2/m : P21/m
Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.
Tweddillite{CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
Unnamed (Ga-dominant member of the epidote group){Ca2}{Al2(Ga,Fe)}(Si2O7)(SiO4)O(OH)

Common AssociatesHide

Associated Minerals Based on Photo Data:
Coulsonite4 photos of Mukhinite associated with Coulsonite on mindat.org.
Pyrrhotite4 photos of Mukhinite associated with Pyrrhotite on mindat.org.
Diopside2 photos of Mukhinite associated with Diopside on mindat.org.
Clinochlore1 photo of Mukhinite associated with Clinochlore on mindat.org.
Tremolite1 photo of Mukhinite associated with Tremolite on mindat.org.
Quartz1 photo of Mukhinite associated with Quartz on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.BG.XCyprineCa19Cu2+(Al10Mg2)Si18O68(OH)10Tet. 4/m : P4/n
9.BG.05bAllanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05aClinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bDissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Dollaseite-(Ce){CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
9.BG.05aEpidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05Khristovite-(Ce){CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
9.BG.05Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05bManganiandrosite-(La){Mn2+La}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon.
9.BG.05Tawmawite{Ca2}{(Al,Fe3+,Cr)3}(Si2O7)(SiO4)O(OH)
9.BG.05Tweddillite{CaSr}{Mn3+AlMn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bFerriallanite-(Ce){CaCe}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Niigataite{CaSr}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m
9.BG.05Manganiandrosite-(Ce){Mn2+Ce}{Mn3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Dissakisite-(La){CaLa}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Vanadoandrosite-(Ce){Mn2+Ce}{V3+AlMn2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Uedaite-(Ce){Mn2+Ce}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05Epidote-(Sr){CaSr}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bAllanite-(Nd){CaNd}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bFerriallanite-(La){CaLa}{Fe3+AlFe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
9.BG.05bÅskagenite-(Nd){Mn2+Nd}{Al2Fe3+}(Si2O7)(SiO4)O2Mon. 2/m : P21/m
9.BG.10Zoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
9.BG.15MacfalliteCa2Mn3+3(SiO4)(Si2O7)(OH)3Mon.
9.BG.15SursassiteMn2+2Al3(SiO4)(Si2O7)(OH)3Mon. 2/m : P21/m
9.BG.20Julgoldite-(Fe2+)Ca2Fe2+Fe3+2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.20OkhotskiteCa2(Mn,Mg)(Mn3+,Al,Fe3+)2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.20Pumpellyite-(Fe2+)Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.20Pumpellyite-(Fe3+)Ca2(Fe3+,Mg)(Al,Fe3+)2(Si2O7)(SiO4)(OH,O)2 · H2OMon.
9.BG.20Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.20Pumpellyite-(Mn2+)Ca2Mn2+Al2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.20ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2OMon.
9.BG.20Julgoldite-(Fe3+)Ca2Fe3+Fe3+2(Si2O7)(SiO4)O(OH) · H2OMon.
9.BG.20Pumpellyite-(Al)Ca2Al3(Si2O7)(SiO4)(OH,O)2 · H2OMon.
9.BG.20PoppiiteCa2(V3+,Fe3+,Mg)(V3+,Al)2(Si2O7)(SiO4)(OH,O)2 · H2OMon. 2/m : B2/m
9.BG.20Julgoldite-(Mg)Ca2MgFe3+2(Si2O7)(SiO4)(OH)2 · H2OMon.
9.BG.25GanomalitePb9Ca5Mn(Si2O7)4(SiO4)OHex.
9.BG.30RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2Mon.
9.BG.35Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
9.BG.35WiluiteCa19(Al,Mg)13(B,☐,Al)5(Si2O7)4(SiO4)10(O,OH)10Tet. 4/mmm (4/m 2/m 2/m) : P4/nnc
9.BG.35ManganvesuvianiteCa19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2(Si2O7)4(SiO4)10O(OH)9Tet. 4/m : P4/n
9.BG.35FluorvesuvianiteCa19(Al,Mg,Fe2+)13(Si2O7)4(SiO4)10O(F,OH)9Tet. 4/mmm (4/m 2/m 2/m)
9.BG.40Vyuntspakhkite-(Y)(Y,Yb)4Al2.5-1.5(Si,Al)1.5-2.5(SiO4)4O(OH)7
9.BG.45DellaiteCa6Si3O11(OH)2Tric.
9.BG.50Gatelite-(Ce)CaCe3Al2(Al,Mg)(Mg,Fe2+,Al)(Si2O7)(SiO4)3(O,F)(OH,O)2Mon. 2/m : P21/b
9.BG.55Västmanlandite-(Ce)Ce3CaMg2Al2Si2O15(OH)2FMon. 2/m : P21/m

Related Minerals - Dana Grouping (8th Ed.)Hide

58.2.1a.1Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.2Allanite-(La){CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.3Allanite-(Y){CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)Mon.
58.2.1a.4Clinozoisite{Ca2}{Al3}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.5Dissakisite-(Ce){CaCe}{Al2Mg}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.6Dollaseite-(Ce){CaCe}{MgAlMg}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
58.2.1a.7Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.8Hancockite{CaPb}{Al2Fe3+}(Si2O7)(SiO4)O(OH)Mon.
58.2.1a.9Khristovite-(Ce){CaCe}{MgAlMn2+}(Si2O7)(SiO4)(OH)FMon. 2/m : P21/m
58.2.1a.11Piemontite{Ca2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon. 2/m : P21/m
58.2.1a.12Piemontite-(Sr){CaSr}{Al2Mn3+}(Si2O7)(SiO4)O(OH)Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

16.15.1RoscoeliteK(V3+,Al)2(AlSi3O10)(OH)2Mon. 2/m : B2/b
16.15.3Chernykhite(Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2Mon.
16.15.4RilanditeCr4Al2SiO11 · 5H2O or near
16.15.5ShuiskiteCa2MgCr2(Si2O7)(SiO4)(OH)2 · 2H2OMon.
16.15.6VolkonskoiteCa0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2OMon.

Other InformationHide

Notes:
Soluble with difficulty in acids, but is dissolved by H2SO4 after having been fused.
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 MukhiniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shepel, A.V., Karpenko, M.V. (1969) Mukhinite, a new vanadium species of epidote. Doklady Akademii Nauk SSSR: 185: 1342-1345. (in Russian)
Fleischer, M. (1970) New mineral names. American Mineralogist: 55: 317-323.
Karev, M.E. (1974) New finds of vanadium-containing minerals in metamorphic rocks of the Kuznetsk Alatau. Geologiya i Geofizika: 11: 141-143.
(1975) Chemical Abstracts: 83: 45824.
Armbruster, T., Bonazzi, P., Akasaka, M., Bermanec, V., Chopin, C., Giere, R., Huess-Assbichler, S., Liebscher, A., Menchetti, S., Pan, Y., Pasero, M. (2006) Recommended nomeclature of epidote-group minerals. European Journal of Mineralogy: 18: 551-567.

Internet Links for MukhiniteHide

Localities for MukhiniteHide

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
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
        • Lovchorr Mt
Pavel M. Kartashov analytical data (2012)
  • Western-Siberian Region
    • Kemerovskaya Oblast'
      • Gornaya Shoria Region
        • Tashelga River
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Slovakia
 
  • Bratislava Region
    • Pezinok Co.
      • Pezinok
- Uher P., Kováčik M., Kubiš M., Shtukenberg A., Ozdín D., 2008: Metamorphic vanadian-chromian silicate mineralization in carbon-rich amphibole schists from the Malé Karpaty Mountains, Western Carpathians, Slovakia. American Mineralogist, 93, 1, 63-73. - Bačík P. & Uher P., 2010: Dissakisite-(La), Mukhinite, and Clinozoisite: (V,Cr,REE)-rich members of the epidote group in amphibole-pyrite-pyrrhotite matabasic rocks from Pezinok, Rybníček mine, Western Carpathians, Slovakia. Canadian Mineralogist, 48, 3, 523-536.
Tanzania
 
  • Manyara Region
    • Simanjiro District
      • Lelatema Mts
Frank K. Mazdab collection (epoxy mount FKM-26)
USA
 
  • Montana
    • Fergus Co.
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens.
Mineral and/or Locality  
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