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Alsakharovite-Zn

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Formula:
NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
Colour:
white, light brown, colourless
Lustre:
Vitreous
Hardness:
5
Specific Gravity:
2.9
Crystal System:
Monoclinic
Name:
After Aleksey S. Sakharov (1910-1996), Russian geologist, who worked on the Lovozero massif.
This page provides mineralogical data about Alsakharovite-Zn.


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Classification of Alsakharovite-ZnHide

Approved
Approval Year:
2002
9.CE.30h

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

Physical Properties of Alsakharovite-ZnHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
white, light brown, colourless
Streak:
white
Hardness:
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
2.9 g/cm3 (Measured)    2.94 g/cm3 (Calculated)

Optical Data of Alsakharovite-ZnHide

Type:
Biaxial (+)
RI values:
nα = 1.680 nβ = 1.687 nγ = 1.787
2V:
Measured: 25°
Max Birefringence:
δ = 0.107
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of Alsakharovite-ZnHide

Formula:
NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O
IMA Formula:
NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4 · 7H2O

Crystallography of Alsakharovite-ZnHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Cell Parameters:
a = 14.495 Å, b = 13.945 Å, c = 7.838 Å
β = 117.75°
Ratio:
a:b:c = 1.039 : 1 : 0.562
Unit Cell V:
1402 ų
Z:
2

Type Occurrence of Alsakharovite-ZnHide

Synonyms of Alsakharovite-ZnHide

Other Language Names for Alsakharovite-ZnHide

Relationship of Alsakharovite-Zn to other SpeciesHide

Other Members of this group:
Gutkovaite-MnK2CaMn(Ti,Nb)4(Si4O12)2(O,OH)4 · 5H2OMon.
Neskevaaraite-FeK3Na2Fe2+(Ti,Nb)4(Si4O12)2(O,OH)4 · 5-6 H2OMon. m : Bm

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.15BaotiteBa4(Ti,Nb)8Si4O28ClTet. 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.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.30gParakuzmenkoite-Fe(K,Ba)4Fe(Ti,Nb)8(Si4O12)4(O,OH)8 · 14H2OMon. 2/m : B2/m
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 Alsakharovite-ZnHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V., N.V. Chukanov, A.E. Zadov, K.A. Rozenberg & R.K. Rastsvetaeva (2003): Alsakharovite-Zn, NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7 H2O, a new mineral of the labuntsovite group from Lovozero massif, Kola Peninsula: Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (and Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva): 132(1), 52-58.

Internet Links for Alsakharovite-ZnHide

Localities for Alsakharovite-ZnHide

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
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Lovozero Massif
          • Seidozero Lake
Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
I.V. Pekov et al.: Zap. Vses. Mineral. Obshch. 133(1):49-59 (2004)
Mineral and/or Locality  
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