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Nafertisite

Big Photo

Nanna pegmatite, Narsaarsuup Qaava, Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland
© Knut Eldjarn

Show Nafertisite Photos (11)
Formula:
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
·2H
 
2
O
System:MonoclinicLustre:Vitreous
Hardness:2 - 3
This page provides mineralogical data about Nafertisite.

Classification of Nafertisite

IMA status:Approved
Strunz 8th edition ID:8/G.13-10
Nickel-Strunz 10th (pending) edition ID:9.EH.30

9 : SILICATES (Germanates)
E : Phyllosilicates
H : Transitional structures between phyllosilicate and other silicate units
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Type Occurrence of Nafertisite

Type Locality:Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Nafertisite

Lustre:Vitreous
Hardness (Mohs):2 - 3

Crystallography of Nafertisite

Crystal System:Monoclinic

Optical Data of Nafertisite

Type:Biaxial (-)
RI values: nα = 1.627 nβ = 1.667 nγ = 1.693
2V:Measured: 75° to 76°, Calculated: 76°
Maximum Birefringence:δ = 0.066

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

Chemical Properties of Nafertisite

Formula:
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
·2H
 
2
O
Essential elements:Fe, H, Na, O, Si, Ti
All elements listed in formula:Fe, H, Na, O, Si, Ti

Relationship of Nafertisite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.EH.05Manganoneptunite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
9.EH.05Neptunite
Na
 
2
KLi(Fe
2+
 
,Mn
2+
 
)
 
2
Ti
 
2
[Si
 
8
O
 
24
]
9.EH.05Watatsumiite
Na
 
2
KLi(Mn
2+
 
,Fe
2+
 
)
 
2
V
4+
2
[Si
 
8
O
 
24
]
9.EH.05IMA2009-009
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
9.EH.10Grumantite
Na[Si
 
2
O
 
4
(OH)]·H
 
2
O
9.EH.15Sarcolite
Na
 
2
Ca
 
12
(Ca,K,Fe,Sr,Mg)
 
2
Al
 
8
Si
 
12
(P,Si)O
 
52
F
 
2
9.EH.20Ussingite
Na
 
2
AlSi
 
3
O
 
8
OH
9.EH.25Leifite
(Na,H
 
2
O)Na
 
6
[F
 
2
|Be
 
2
Al
 
2
(Al,Si)Si
 
15
O
 
39
]
9.EH.25Telyushenkoite
(Cs,Na,K)Na
 
6
[F
 
2
|Be
 
2
Al
 
3
Si
 
15
O
 
39
]
9.EH.25Eirikite
KNa
 
6
Be
 
2
(Si
 
15
Al
 
3
)O
 
39
F
 
2

Other Names for Nafertisite

Synonyms:
IMA1994-007
Other Languages:
German:Nafertisit
Russian:Нафертисит
Spanish:Nafertisita

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 Nafertisite

Reference List:Mineralogical Record: 28: 143.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 124(6): 101-107.

European Journal of Mineralogy: 8: 241-249.

Neues Jahrbuch für Mineralogie, Monatshefte (1999): 7: 303-310.

Internet Links for Nafertisite

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  • Raman and XRD data at RRUFF project
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    Localities for Nafertisite

    (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.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Igaliku (Igaliko)
          • Narssârssuk (Narsarsuk)
            • Narsaarsuup Qaava
    		Petersen, OV et al. (1999) Nafertisite from the Nanna pegmatite, Narsaarsuup Qaava, South Greenland. N. Jahrbuch Fuer Minerologie, 303-310
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		ZVMO,(1995) 124, n. 6, 101-107
    www.koeln.netsurf.de/~w.steffens/lovo.htm
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 28th Oct 2009 13:11:11