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Parakuzmenkoite-Fe

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About Parakuzmenkoite-FeHide

Formula:
(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O
Colour:
Orange to orange-red
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
3.00
Crystal System:
Monoclinic
Name:
Iron dominent analog of kuzmenkoite-Mn
This page provides mineralogical data about Parakuzmenkoite-Fe.


Classification of Parakuzmenkoite-FeHide

Approved
First Published:
2001
9.CE.30g

9 : SILICATES (Germanates)
C : Cyclosilicates
E : [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions

Physical Properties of Parakuzmenkoite-FeHide

Vitreous
Transparency:
Transparent
Colour:
Orange to orange-red
Streak:
White
Hardness:
Cleavage:
Imperfect/Fair
imperfect
Density:
3.00(3) g/cm3 (Measured)    3.07 g/cm3 (Calculated)

Optical Data of Parakuzmenkoite-FeHide

Type:
Biaxial (+)
RI values:
nα = 1.687(1) nβ = 1.689(2) nγ = 1.805(5)
2V:
Measured: 22° (10)
Max Birefringence:
δ = 0.118
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Pleochroism:
Visible
Comments:
X, Z = colorless, Y = pale brown;

Chemical Properties of Parakuzmenkoite-FeHide

Formula:
(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2O
IMA Formula:
(K,Ba)8Fe4Ti16(Si4O12)8(OH,O)16 · 20-28H2O

Crystallography of Parakuzmenkoite-FeHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 14.410(2) Å, b = 13.880(2) Å, c = 15.587(2) Å
β = 117.53(2)°
Ratio:
a:b:c = 1.038 : 1 : 1.123
Unit Cell V:
2,764.56 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Prismatic crystals to 1.0 mm

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.91 (1O)
3.19 (10)
3.09 (10)
1.524 (9)
1.422 (8)

Type Occurrence of Parakuzmenkoite-FeHide

General Appearance of Type Material:
prismatic crystals up to 1 mm in size
Place of Conservation of Type Material:
Fersman Mineralogica1 Museum of the Russian Academy of Sciences, Moscow.
Geological Setting of Type Material:
Alkaline pegmatites
Associated Minerals at Type Locality:
Reference:
Chukanov, N.V., Pekov, I.V., Semenov, E.I., Zadov, A.E., Krivovichev, S.V., Berns, P.C. (2001) Parakuzmenkoite-Fe, (K,Ba)2Fe(Ti,Nb)4[Si4O12]2(O,OH)4·7H2O - a new labuntsovite group mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 130(6): 63-67.

Synonyms of Parakuzmenkoite-FeHide

Relationship of Parakuzmenkoite-Fe to other SpeciesHide

Other Members of this group:
Organovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2OMon. 2/m : B2/m
Organovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O

Related Minerals - Nickel-Strunz GroupingHide

9.CE.05PapagoiteCaCu[H3AlSi2O9]Mon.
9.CE.10VerplanckiteBa2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or nearHex.
9.CE.15BaotiteBa4Ti8Si4O28ClTet. 4/m : I41/a
9.CE.20NagashimaliteBa4(V,Ti)4B2Si8O27(O,OH)2ClOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TaramelliteBa4(Fe3+,Ti,Fe2+,Mg)4(B2Si8O27)O2ClxOrth. mmm (2/m 2/m 2/m) : Pmmn
9.CE.20TitantaramelliteBa4(Ti,Fe3+,Fe2+,Mg)4(B2Si8O27)O2ClxOrth.
9.CE.25Bario-orthojoaquinite(Ba,Sr)4Fe2Ti2[Si4O12]2O2 · H2OOrth.
9.CE.25Byelorussite-(Ce)NaBa2Ce2MnTi2[Si4O12]2O2(F,OH) · H2O
9.CE.25Joaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(OH,F) · H2OMon. 2 : B2
9.CE.25Orthojoaquinite-(Ce)NaBa2Ce2FeTi2[Si4O12]2O2(O,OH) · H2O
9.CE.25StrontiojoaquiniteSr2Ba2(Na,Fe)2Ti2[Si4O12]2O2(O,OH)2 · H2OMon.
9.CE.25Strontio-orthojoaquinite(Na,Fe)2Sr2Ba2Ti2[Si4O12]2O2(O,OH)2 · H2OOrth.
9.CE.25Orthojoaquinite-(La)NaBa2La2Fe2+Ti2[Si4O12]2O2(O,OH) · H2OOrth.
9.CE.30eLabuntsovite-MnNa4K4(Ba,K)2Mn2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10-12H2OMon.
9.CE.30aNenadkevichite(Na,◻)8Nb4(Si4O12)2(O,OH)4 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30dLemmleinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 4H2OOrth.
9.CE.30aKorobitsyniteNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3-4H2OOrth. mmm (2/m 2/m 2/m) : Pbam
9.CE.30cKuzmenkoite-MnK2Mn2+(Ti,Nb)4(Si4O12)2(OH,O)4 · 5-6H2OMon.
9.CE.30bVuoriyarvite-KK2(Nb,Ti)2(Si4O12)(O,OH)2 · 4H2OMon.
9.CE.30bTsepinite-NaNa2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon.
9.CE.30cKarupmøllerite-Ca(Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 7H2O
9.CE.30eLabuntsovite-MgNa4K4(Ba,K)2Mg(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon.
9.CE.30eLabuntsovite-FeNa4K4(Ba,K)2Fe2+(Ti,Nb)8(Si4O12)4(O,OH)8 · 10H2OMon.
9.CE.30dLemmleinite-BaNa2K2Ba(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-FeK2Fe2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30hNeskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2OMon. m : Bm
9.CE.30bTsepinite-KK2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30bParatsepinite-BaBa4(Ti,Nb)8(Si4O12)4(OH,O)8 · 8H2O
9.CE.30bTsepinite-CaCa(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. 2/m : B2/m
9.CE.30hAlsakharovite-ZnNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30cGjerdingenite-MnK2Mn2+(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cLepkhenelmite-Zn(Ba,K)2Zn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2OMon. m : Bm
9.CE.30bTsepinite-SrSr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2OMon. m : Bm
9.CE.30bParatsepinite-Na(Na,Sr,K,Ca)7(Ti,Nb)8(Si4O12)4(O,OH)8·nH2O n ~ 8Mon. 2/m : B2/m
9.CE.30fParalabuntsovite-MgNa8K8Mg4Ti16(Si4O12)8(OH,O)16 · 20-24H2OMon. 2/m
9.CE.30cGjerdingenite-CaK2Ca(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2OMon. 2/m : B2/m
9.CE.30cGjerdingenite-NaK2Na(Nb,Ti)4(Si4O12)2(OH,O)4 · 5H2OMon. 2/m : B2/m
9.CE.30hGutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon.
9.CE.30cKuzmenkoite-ZnK2Zn(Ti,Nb)4(Si4O12)2(OH,O)4·6-8H2OMon. m : Bm
9.CE.30gOrganovaite-MnK2Mn(Nb,Ti)4(Si4O12)2(O,OH)4 · 5-7H2OMon. 2/m : B2/m
9.CE.30gOrganovaite-ZnK2Zn(Nb,Ti)4(Si4O12)2(O,OH)4 · 6H2O
9.CE.30cBurovaite-Ca(Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8 · 12H2OMon. 2/m : B2/m
9.CE.45Komarovite(Ca,Mn)Nb2[O3|Si2O7] · 3.5H2OOrth.
9.CE.45Natrokomarovite(Na,Ca,H)2Nb2Si2O10(OH,F)2 · H2OOrth.

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 Parakuzmenkoite-FeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Pekov, I.V., Semenov, E.I., Zadov, A.E., Krivovichev, S.V., Berns, P.C. (2001) Parakuzmenkoite-Fe, (K,Ba)2Fe(Ti,Nb)4[Si4O12]2(O,OH)4·7H2O - a new labuntsovite group mineral. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva: 130(6): 63-67.
Chukanov, N.V., Pekov, I.V., Khomyakov, A.P. (2002) Recommended nomeclature for labuntsovite-group minerals. European Journal of Mineralogy: 14: 165-17.

Internet Links for Parakuzmenkoite-FeHide

Localities for Parakuzmenkoite-FeHide

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'
Tony Nikischer specimen
      • Lovozero Massif
European Journal of Mineralogy (2002): 14: 165-173.
Mineral and/or Locality  
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