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Ternovite

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Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Knut Eldjarn

Formula:
(Mg,Ca)Nb
 
4
O
 
11
·nH
 
2
O
System:MonoclinicColour:White
Lustre:SilkyHardness:3
Name:Named after Vladimir Ivanovich Ternovoi (1928–1980), economic geologist, a pioneer in studies of the Kovdor phlogopite deposit.
This page provides mineralogical data about Ternovite.

Classification of Ternovite

IMA status:Approved
Strunz 8th edition ID:4/D.06-35
Nickel-Strunz 10th (pending) edition ID:4.FM.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
M : Hydroxides with H2O +- (OH); unclassified
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Type Occurrence of Ternovite

Type Locality:Vuoriyarvi alkaline-ultrabasic massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Ternovite

Lustre:Silky
Diaphaneity (Transparency):Translucent
Colour:White
Hardness (Mohs):3

Crystallography of Ternovite

Crystal System:Monoclinic

Optical Data of Ternovite

Type:Biaxial (-)
RI values: nα = 1.725 nβ = 1.830 nγ = 1.845
2V:Measured: 39° , Calculated: 38°
Maximum Birefringence:δ = 0.120

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:none

Chemical Properties of Ternovite

Formula:
(Mg,Ca)Nb
 
4
O
 
11
·nH
 
2
O
Essential elements:H, Mg, Nb, O
All elements listed in formula:Ca, H, Mg, Nb, O

Relationship of Ternovite to other Species

Related Minerals - Nickel-Strunz Grouping):
4.FM.15Franconite
Na
 
2
Nb
 
4
O
 
11
·9H
 
2
O
4.FM.15Hochelagaite
(Ca,Na,Sr)(Nb,Ti,Si,Al)
 
4
O
 
11
·8H
 
2
O
4.FM.25Belyankinite
Ca
 
1-2
(Ti,Zr,Nb)
 
5
O
 
12
 · 9H
 
2
O (?)
4.FM.25Gerasimovskite
(Mn,Ca)(Nb,Ti)
 
5
O
 
12
·9H
 
2
O
4.FM.25Manganbelyankinite
(Mn,Ca)(Ti,Nb)
 
5
O
 
12
·9H
 
2
O
4.FM.30Silhydrite
3SiO
 
2
·H
 
2
O
4.FM.35Cuzticite
Fe
3+
2
[TeO
 
6
] · 3H
 
2
O
4.FM.40Cyanophyllite
(Cu,Al)
 
3
[(OH)
 
6
|Sb
5+
 
(OH)
 
6
]

Other Names for Ternovite

Synonyms:
IMA1992-044
German names:
Ternovit
Spanish names:
Ternovita

Other Information

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 Ternovite

Reference List:Mineralogical Record: 29: 237.

Neues Jahrbuch für Mineralogie, Monatshefte (1997): (2): 49-60.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 127(3): 87-97.

Internet Links for Ternovite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Ternovite in the Natural History Museum (London) online catalogue
  • Ternovite details from Handbook of Mineralogy (PDF)
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    Localities for Ternovite

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    (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
    Neues Jahrb., Mh.(1997) 49-60
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