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Odintsovite

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Malyi Murun Massif (Malomurunskiy; Maly Murun alkaline pluton), Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia
© Pavel M. Kartashov

Show Odintsovite Photos (2)
Formula:
K
 
2
Na
 
4
Ca
 
3
Ti
 
2
Be
 
4
Si
 
12
O
 
38
System:OrthorhombicLustre:Vitreous
Hardness:5 - 5½
Name:
For Prof. M. M. Odintsova (1911-1979), a founder of the Institute of the Earth's Crust, Irkutsk.
This page provides mineralogical data about Odintsovite.

Classification of Odintsovite

IMA status:Approved
Strunz 8th edition ID:8/E.20-05
Nickel-Strunz 10th (pending) edition ID:9.CJ.50

9 : SILICATES (Germanates)
C : Cyclosilicates
J : [Si6O18]12- 6-membered single rings (sechser-Einfachringe), without insular complex anions
Dana 8th edition ID:61.1.5.1

61 : CYCLOSILICATES Six-Membered Rings
1 : Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
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Type Occurrence of Odintsovite

Type Locality:Malyi Murun Massif (Malomurunskiy; Maly Murun alkaline pluton), Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia

Physical Properties of Odintsovite

Lustre:Vitreous
Hardness (Mohs):5 - 5½

Crystallography of Odintsovite

Crystal System:Orthorhombic

Optical Data of Odintsovite

Type:Biaxial (+)
RI values: nα = 1.630 nβ = 1.644 nγ = 1.675
Maximum Birefringence:δ = 0.045

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r > v

Chemical Properties of Odintsovite

Formula:
K
 
2
Na
 
4
Ca
 
3
Ti
 
2
Be
 
4
Si
 
12
O
 
38
Essential elements:Be, Ca, K, Na, O, Si, Ti
All elements listed in formula:Be, Ca, K, Na, O, Si, Ti

Relationship of Odintsovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.CJ.05Bazzite
Be
 
3
Sc
 
2
Si
 
6
O
 
18
9.CJ.05Beryl
Be
 
3
Al
 
2
Si
 
6
O
 
18
9.CJ.05Indialite
Mg
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.05Stoppaniite
(Na,[ ])
 
2
(Fe,Al,Mg)
 
4
[Be
 
6
Si
 
12
O
 
36
]·2H2O
9.CJ.10Cordierite
(Mg,Fe)
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.10Sekaninaite
(Fe,Mg)
 
2
Al
 
4
Si
 
5
O
 
18
9.CJ.15aCombeite
Na
 
2
Ca
 
2
Si
 
3
O
 
9
9.CJ.15bImandrite
Na
 
12
Ca
 
3
Fe
3+
2
[Si
 
6
O
 
18
]
 
2
9.CJ.15aKazakovite
Na
 
6
Ti[Si
 
6
O
 
16
(OH)
 
2
]
9.CJ.15cKoashvite
Na
 
6
(Ca,Mn)(Ti,Fe)Si
 
6
O
 
18
·H
 
2
O
9.CJ.15aLovozerite
Na
 
2
Ca(Zr,Ti)[Si
 
6
O
 
12
(OH,O)
 
6
]*H
 
2
O
9.CJ.15aTisinalite
Na
 
3
H
 
3
(Mn,Ca,Fe)TiSi
 
6
(O,OH)
 
18
·2H
 
2
O
9.CJ.15aZirsinalite
Na
 
6
(Ca,Mn
2+
 
,Fe
2+
 
)Zr[Si
 
6
O
 
18
]
9.CJ.15aLitvinskite
Na
 
2
([],Na,Mn)ZrSi
 
6
O
 
12
(OH,O)
 
6
9.CJ.15aKapustinite
Na
 
5
(Na,Mn
2+
 
)
 
<1
Zr[Si
 
6
O
 
16
(OH)
 
2
]
9.CJ.25Baratovite
KCa
 
7
(Ti,Zr)
 
2
Li
 
3
Si
 
12
O
 
36
F
 
2
9.CJ.25Katayamalite
KCa
 
7
Ti
 
2
Li
 
3
Si
 
12
O
 
36
(OH)
 
2
9.CJ.25Aleksandrovite
KCa
 
7
Sn
 
2
Li
 
3
Si
 
12
O
 
30
F
 
2
9.CJ.30Dioptase
Cu
 
6
(Si
 
6
O
 
18
)·6H
 
2
O
9.CJ.35Kostylevite
K
 
2
ZrSi
 
3
O
 
9
·H
 
2
O
9.CJ.40Petarasite
Na
 
5
Zr
 
2
[(OH,Cl)|Si
 
6
O
 
18
]·2H
 
2
O
9.CJ.45Gerenite-(Y)
(Ca,Na)
 
2
(Y,REE)
 
3
Si
 
6
O
 
18
·2H
 
2
O
9.CJ.55Mathewrogersite
Pb
 
7
(Fe
2+
 
,Cu)Al
 
3
Ge[(OH,H
 
2
O)
 
6
|(Si
 
3
O
 
9
)
 
4
]
9.CJ.60Pezzottaite
Cs(Be
 
2
Li)Al
 
2
Si
 
6
O
 
18

Other Names for Odintsovite

Synonyms:
IMA1994-052
Other Languages:
German:Odintsovit
Russian:Одинцовит
Spanish:Odintsovita

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 Odintsovite

Reference List:Mineralogical Record: 28: 404.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1995): 124(5): 92-96.

Crystallography Reports: 40: 228-232.

Internet Links for Odintsovite

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    Localities for Odintsovite

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