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IMA2009-009

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Lakargi Mt., Verkhnechegemskaya (Upper Chegem) volcanic structure, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
© Pavel M. Kartashov

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Formula:
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
System:Monoclinic


Neptunite group

Classification of IMA2009-009

IMA status:Approved 2009
Nickel-Strunz 10th (pending) edition ID:9.EH.05

9 : SILICATES (Germanates)
E : Phyllosilicates
H : Transitional structures between phyllosilicate and other silicate units
Dana 8th edition ID:70.4.1.3

70 : INOSILICATES Column or Tube Structures
4 : Column or Tube Structures with linked chains forming cages
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Type Occurrence of IMA2009-009

Type Locality:Lakargi Mt., Verkhnechegemskaya (Upper Chegem) volcanic structure, Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

Crystallography of IMA2009-009

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
Cell Parameters:a = 16.3271(7) Å, b = 12.4788(4) Å, c = 9.9666(4) Å
β = 115.651(5)°
Ratio:a:b:c = 1.308 : 1 : 0.799
Unit Cell Volume:V 1,830.50 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
9.7 (80)
4.55 (40)
3.56 (100)
2.90 (40)
2.81 (40)
2.48 (80)
2.16 (60)

Chemical Properties of IMA2009-009

Formula:
KNa
 
2
Li(Mg,Fe)
 
2
Ti
 
2
Si
 
8
O
 
24
All elements listed in formula:Fe, K, Li, Mg, Na, O, Si, Ti

Relationship of IMA2009-009 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.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
9.EH.30Nafertisite
Na
 
3
(Fe
2+
 
,Fe
3+
 
)
 
6
(Ti
 
2
Si
 
12
O
 
34
)(O,OH)
 
7
·2H
 
2
O

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 IMA2009-009

Reference List:IMA approvals May 2009

Internet Links for IMA2009-009

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    Localities for IMA2009-009

    (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 Caucasus Region
      • Kabardino-Balkarian Republic
        • Verkhnechegemskaya (Upper Chegem) volcanic structure
    		IMA Approvals - May 2009
    Mineral and/or Locality
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