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Paravinogradovite

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About ParavinogradoviteHide

Formula:
Na1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2O
Colour:
colourless to white
Lustre:
Vitreous, Pearly
Hardness:
5
Specific Gravity:
2.77
Crystal System:
Triclinic
Name:
For its structural relation to vinogradovite.
This page provides mineralogical data about Paravinogradovite.


Classification of ParavinogradoviteHide

Approved
Approval Year:
2002
9.DB.25

9 : SILICATES (Germanates)
D : Inosilicates
B : Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals

Physical Properties of ParavinogradoviteHide

Vitreous, Pearly
Colour:
colourless to white
Streak:
white
Hardness:
Cleavage:
Perfect
on {001}
Density:
2.77 g/cm3 (Measured)    

Chemical Properties of ParavinogradoviteHide

Formula:
Na1-2(Ti,Fe3+)4(Si2O6)2(AlSi3O10)(OH)4 · H2O
IMA Formula:
(Na,◻)2(Ti4+,Fe3+)4(Si2O6)2(Si3AlO10)(OH)4 · H2O

Crystallography of ParavinogradoviteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pedial
Space Group:
P1
Cell Parameters:
a = 5.253 Å, b = 8.741 Å, c = 12.95 Å
α = 70.46°, β = 78.47°, γ = 89.93°
Ratio:
a:b:c = 0.601 : 1 : 1.482
Unit Cell V:
547.68 ų (Calculated from Unit Cell)
Morphology:
slender to acicular prismatic crystals

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
11.9 (60)
5.88 (65)
3.18 (100)

Type Occurrence of ParavinogradoviteHide

General Appearance of Type Material:
fan-shaped aggregates of slender to acicular prismatic crystals to 10 mm, pseudomorphing vinogradovite
Geological Setting of Type Material:
in vugs of an albite rich pegmatite lens
Associated Minerals at Type Locality:

Synonyms of ParavinogradoviteHide

Other Language Names for ParavinogradoviteHide

Simplified Chinese:副白钛硅钠石
Traditional Chinese:副白鈦矽鈉石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Microcline1 photo of Paravinogradovite associated with Microcline on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DB.05BalipholiteBaLiMg2Al3(Si2O6)2(OH)4Orth.
9.DB.05CarpholiteMn2+Al2(Si2O6)(OH)4Orth.
9.DB.05Ferrocarpholite(Fe2+,Mg)Al2(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05Magnesiocarpholite(Mg,Fe2+)Al2(Si2O6)(OH)4Orth.
9.DB.05Potassiccarpholite(K,☐)(Li,Mn2+)2Al4(Si2O6)2(OH,F)8Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.05VanadiocarpholiteMn2+V3+Al(Si2O6)(OH)4Orth. mmm (2/m 2/m 2/m) : Ccca
9.DB.10LorenzeniteNa2Ti2(Si2O6)O3Orth. mmm (2/m 2/m 2/m) : Pbcn
9.DB.15LintisiteLiNa3Ti2(Si2O6)2O2 · 2H2OMon.
9.DB.15PunkaruaiviteLiTi2(HSi4O12)(OH)2 · H2OMon. 2/m : B2/b
9.DB.17EliseeviteLiNa1.5Ti2(H1.5Si4O12)O2 · 2H2OMon. 2/m : B2/b
9.DB.20KukisvumiteNa6ZnTi4(Si8O24)O4 · 4H2OOrth.
9.DB.20ManganokukisvumiteNa6MnTi4(Si8O24)O4 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pccn
9.DB.25VinogradoviteNa4Ti4(Si2O6)2[(Si,Al)4O10]O4 · (H2O,Na,K)3Mon. 2/m : B2/b
9.DB.30NchwaningiteMn2+2(SiO3)(OH)2 · H2OOrth.
9.DB.35PlancheiteCu8(Si8O22)(OH)4 · H2OOrth. mmm (2/m 2/m 2/m)
9.DB.40ShattuckiteCu5(Si2O6)2(OH)2Orth. mmm (2/m 2/m 2/m)
9.DB.40UM2005-31-SiO:CuHCu11(SiO4)(OH)18 · 9H2O ?
9.DB.45Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]Mon.
9.DB.50CapranicaiteKCaNaAl4B4Si2O18Mon. 2/m : P21/m

Fluorescence of ParavinogradoviteHide

weak yellow-green fluorescence in short-wave UV light

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 ParavinogradoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Khomyakov A.P., Kulikova I.E., Sokolova E.V., Hawtorne F.C., Kartashov P.M. (2003): Paravinogradovite, (Na,◻)2[(Ti4+,Fe3+)4{Si2O6}2{Si3AlO10}(OH)4].H2O, a new mineral species from the Khibina alkaline massif, Kola peninsula, Russia: description and crystal structure. Canadian Mineralogist, 41 (5), 989-1002.

Internet Links for ParavinogradoviteHide

Localities for ParavinogradoviteHide

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'
      • Khibiny Massif
        • Kukisvumchorr Mt
Khomyakov A.P., Kulikova I.E., Sokolova E.V., Hawtorne F.C., Kartashov P.M. (2003) Paravinogradovite, (Na,[])2[(Ti4+,Fe3+)4{Si2O6}2{Si3AlO10}(OH)4]*H2O, a new mineral species from the Khibina alkaline massif, Kola peninsula, Russia: description and crystal structure, - Canadian Mineralogist, V.41, №5, pp. 989-1002.; Lapis 29(1), 47 (2004)
Mineral and/or Locality  
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