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Paranatisite

Formula:
Na
 
2
Ti[O|SiO
 
4
]
System:OrthorhombicColour:Orange-yellow to ...
Hardness:5
This page provides mineralogical data about Paranatisite.

Classification of Paranatisite

IMA status:Approved
Strunz 8th edition ID:8/B.13-05
Nickel-Strunz 10th (pending) edition ID:9.AG.40b

9 : SILICATES (Germanates)
A : Nesosilicates
G : Nesosilicates with additional anions; cations in > [6] +- [6] coordination
Dana 8th edition ID:52.4.4.2

52 : NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
4 : Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
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Type Occurrence of Paranatisite

Co-type Localities:Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Material'naya Adit, Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1992

Physical Properties of Paranatisite

Colour:Orange-yellow to orange-brown
Hardness (Mohs):5

Crystallography of Paranatisite

Crystal System:Orthorhombic
Cell Parameters:a = 9.82Å, b = 9.16Å, c = 4.79Å
Ratio:a:b:c = 1.072 : 1 : 0.523
Unit Cell Volume:V 430.87 ų (Calculated from Unit Cell)

Optical Data of Paranatisite

Type:Biaxial (+)
RI values: nα = 1.740 nβ = 1.741 nγ = 1.765
2V:Measured: 20° to 23°, Calculated: 24°
Maximum Birefringence:δ = 0.025

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

Chemical Properties of Paranatisite

Formula:
Na
 
2
Ti[O|SiO
 
4
]
Essential elements:Na, O, Si, Ti
All elements listed in formula:Na, O, Si, Ti
Common Impurities:Nb,Fe,Mn,Ca,F,H2O

Relationship of Paranatisite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AG.05Abswurmbachite
CuMn
3+
6
O
 
8
(SiO
 
4
)
9.AG.05Braunite
Mn
2+
 
Mn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Neltnerite
CaMn
3+
6
[O
 
8
|SiO
 
4
]
9.AG.05Braunite-II
CaMn
3+
14
SiO
 
24
9.AG.10Långbanite
(Mn
2+
 
,Ca)
 
4
(Mn
3+
 
,Fe
3+
 
)
 
9
Sb
5+
 
[O
 
8
|SiO
 
4
]
 
2
9.AG.15Malayaite
CaSn[O|SiO
 
4
]
9.AG.15Titanite
CaTi[O|SiO
 
4
]
9.AG.15Vanadomalayaite
CaV
4+
 
[O|SiO
 
4
]
9.AG.20Cerite-(Ce)
(Ce,Ca)
 
9
(Fe,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Cerite-(La)
(La,Ce,Ca)
 
9
(Fe,Ca,Mg)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.20Aluminocerite-(Ce)
(Ce,La,Ca)
 
9
(Al,Fe
3+
 
)(SiO
 
4
)
 
3
[SiO
 
3
(OH)]
 
4
(OH)
 
3
9.AG.25Trimounsite-(Y)
Y
 
2
Ti
 
2
[O
 
5
|SiO
 
4
]
9.AG.25Yftisite-(Y)
(Y,Dy,Er)
 
4
(Ti,Sn)O(SiO
 
4
)
 
2
(F,OH)
 
6
9.AG.30Sitinakite
KNa
 
2
Ti
 
4
Si
 
2
O
 
13
(OH)·2H
 
2
O
9.AG.35Kittatinnyite
Ca
 
2
Mn
 
2
Mn(SiO
 
4
)
 
2
(OH)
 
4
·9H
 
2
O
9.AG.40aNatisite
Na
 
2
Ti[O|SiO
 
4
]
9.AG.45Törnebohmite-(Ce)
(Ce,La)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.45Törnebohmite-(La)
(La,Ce)
 
2
Al(SiO
 
4
)
 
2
OH
9.AG.50Kuliokite-(Y)
Y
 
4
Al(SiO
 
4
)
 
2
(OH)
 
2
F
 
5
9.AG.55Chantalite
CaAl
 
2
[(OH)
 
4
|SiO
 
4
]
9.AG.60Mozartite
CaMn
3+
 
[OH|SiO
 
4
]
9.AG.60Vuagnatite
CaAl[OH|SiO
 
4
]
9.AG.65Hatrurite
Ca
 
3
[O|SiO
 
4
]
9.AG.70Jasmundite
Ca
 
11
[O
 
2
|S|(SiO
 
4
)
 
4
]
9.AG.75Afwillite
Ca
 
3
[HSiO
 
4
]
 
2
 · 2H
 
2
O
9.AG.80Bultfonteinite
Ca
 
2
[F|HSiO
 
4
] · H
 
2
O
9.AG.85Zoltaiite
BaV
4+
2
V
3+
12
Si
 
2
O
 
27
9.AG.90Tranquillityite
(Fe
2+
 
,Ca)
 
8
(Zr,Y)
 
2
Ti
 
3
[O
 
4
|SiO
 
4
]
 
3

Other Names for Paranatisite

Synonyms:
IMA1990-016
Other Languages:
German:Paranatisit
Russian:Паранатисит
Spanish:Paranatisita

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 Paranatisite

Reference List:New Minerals (1997), New Minerals 1990-1994.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 121(6): 133-137.

Canadian Mineralogist (2002): 40: 947-960.

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    Localities for Paranatisite

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