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Paravinogradovite

Big Photo

Northeast slope, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Pavel M. Kartashov

Formula:
Na
 
1-2
(Ti,Fe
3+
 
)
 
4
[(OH)
 
4
|AlSi
 
3
O
 
10
|(Si
 
2
O
 
6
)
 
2
] · H
 
2
O
System:TriclinicColour:colourless to white
Hardness:5
Name:For its structural relation to vinogradovite.
This page provides mineralogical data about Paravinogradovite.

Classification of Paravinogradovite

IMA status:Approved 2002
Strunz 8th edition ID:8/F.03-80
Nickel-Strunz 10th (pending) edition ID:9.DB.25

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

Type Locality:Northeast slope, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
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:
NordstranditeNatroliteGlauconiteGalenaFluorite
CerussiteCarbonate-rich Apatite-(CaF)Carbonate-rich Apatite-(CaF)AnataseAegirine

Physical Properties of Paravinogradovite

Lustre:Vitreous, Pearly
Colour:colourless to white
Streak:white
Hardness (Mohs):5
Cleavage:Perfect
on {001}
Density (measured):2.77 g/cm3

Crystallography of Paravinogradovite

Crystal System:Triclinic
Class (H-M):1 - Pedial
Space Group:P1
Cell Parameters:a = 5.253Å, b = 8.741Å, c = 12.95Å
α = 70.46°, β = 78.47°, γ = 89.93°
Ratio:a:b:c = 0.601 : 1 : 1.482
Unit Cell Volume:V 547.68 ų (Calculated from Unit Cell)
Morphology:slender to acicular prismatic crystals
X-Ray Powder Diffraction:
d-spacingIntensity
11.9 (60)
5.88 (65)

Chemical Properties of Paravinogradovite

Formula:
Na
 
1-2
(Ti,Fe
3+
 
)
 
4
[(OH)
 
4
|AlSi
 
3
O
 
10
|(Si
 
2
O
 
6
)
 
2
] · H
 
2
O
All elements listed in formula:Al, Fe, H, Na, O, Si, Ti

Relationship of Paravinogradovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DB.05Balipholite
BaLiMg
 
2
Al
 
3
[(OH)
 
4
|Si
 
2
O
 
6
]
 
2
9.DB.05Carpholite
Mn
2+
 
Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Ferrocarpholite
(Fe
2+
 
,Mg)Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Magnesiocarpholite
(Mg,Fe
2+
 
)Al
 
2
[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.05Potassiccarpholite
(K,[])(Li,Mn
2+
 
)
 
2
Al
 
4
[(OH)
 
4
 ׀ (F,OH)
 
4
 ׀ (Si
 
2
O
 
6
)
 
2
]
9.DB.05Vanadiocarpholite
Mn
2+
 
V
3+
 
Al[(OH)
 
4
|Si
 
2
O
 
6
]
9.DB.10Lorenzenite
Na
 
2
Ti
 
2
[O
 
3
|Si
 
2
O
 
6
]
9.DB.15Lintisite
LiNa
 
3
Ti
 
2
[O|Si
 
2
O
 
6
]
 
2
 · 2H
 
2
O
9.DB.20Kukisvumite
Na
 
6
ZnTi
 
4
Si
 
8
O
 
28
·4H
 
2
O
9.DB.20Manganokukisvumite
Na
 
6
MnTi
 
4
Si
 
8
O
 
28
·4H
 
2
O
9.DB.25Vinogradovite
(Na,Ca,K)
 
4
Ti
 
4
AlSi
 
6
O
 
23
(OH)·2H
 
2
O
9.DB.30Nchwaningite
Mn
2+
2
[(OH)
 
2
|SiO
 
3
] · H
 
2
O
9.DB.35Plancheite
Cu
 
8
[(OH)
 
4
|Si
 
8
O
 
22
] · H
 
2
O
9.DB.40Shattuckite
Cu
 
5
[(OH)
 
2
|(SiO
 
3
)
 
4
]
9.DB.40UM2005-31-SiO:CuH
Cu
 
11
(SiO
 
4
)(OH)
 
18
·9H
 
2
O ?
9.DB.45Aerinite
Ca
 
5
(Fe
3+
 
,Al,Fe
2+
 
,Mg)(Al,Mg)
 
6
[HSi
 
12
O
 
36
(OH)
 
12
][(CO
 
3
)
 
1.2
(H
 
2
O)
 
12
]

Other Names for Paravinogradovite

Synonyms:
ПаравиноградовитIMA2002-033
Other Languages:
Russian:Паравиноградовит

Other Information

Fluorescence in UV light:weak yellow-green fluorescence in short-wave UV light
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Paravinogradovite

Reference List:Khomyakov, A.P. et al. (2003): Canadian Mineralogist: 41: 989-1002.

Internet Links for Paravinogradovite

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    Localities for Paravinogradovite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Kukisvumchorr Mt
    		Lapis 29(1), 47 (2004)
    Mineral and/or Locality
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