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Lingunite

Formula:
(Na,Ca)AlSi
 
3
O
 
8
System:Tetragonal
Polymorph of:Anorthoclase, IMA2007-049


A hollandite-type high-pressure modification of (Na,Ca)AlSi3O8.

Classification of Lingunite

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:9.FA.35

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
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Type Occurrence of Lingunite

Type Locality:Sixiangkou meteorite, Sixiangkou, Taizhou City, Taizhou Prefecture, Jiangsu Province, China

Crystallography of Lingunite

Crystal System:Tetragonal
Class (H-M):4/m - Dipyramidal
Space Group:I4/m
Cell Parameters:a = 9.263Å, c = 2.706Å
Ratio:a:c = 1 : 0.292
Unit Cell Volume:V 232.18 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
6.55(66)
4.63(60)
2.931(100)
2.265(35)
2.032(85)
1.737(37)
1.543(33)
Comments:From type description.

Chemical Properties of Lingunite

Formula:
(Na,Ca)AlSi
 
3
O
 
8
Essential elements:
All elements listed in formula:Al, Ca, Na, O, Si

Relationship of Lingunite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.FA.IMA2007-049
NaAlSi
 
3
O
 
8
9.FA.05Kaliophilite
K[AlSiO
 
4
]
9.FA.05Kalsilite
K[AlSiO
 
4
]
9.FA.05Nepheline
(Na,K)[AlSiO
 
4
]
9.FA.05Panunzite
(Na,K)[AlSiO
 
4
]
9.FA.05Trikalsilite
(Na,K)[AlSiO
 
4
]
9.FA.05Yoshiokaite
(Ca,Na)[Al(Al,Si)O
 
4
]
9.FA.05Megakalsilite
KAlSiO
 
4
9.FA.10Malinkoite
NaBSiO
 
4
9.FA.15Virgilite
LiAlSi
 
2
O
 
6
9.FA.25Lisitsynite
KBSi
 
2
O
 
6
9.FA.30Adularia
KAlSi
 
3
O
 
8
9.FA.30Anorthoclase
(Na,K)[AlSi
 
3
O
 
8
]
9.FA.30Buddingtonite
(NH
 
4
)[AlSi
 
3
O
 
8
]
9.FA.30Celsian
Ba[Al
 
2
Si
 
2
O
 
8
]
9.FA.30Hyalophane
(K,Ba)[Al(Si,Al)Si
 
2
O
 
8
]
9.FA.30Microcline
K[AlSi
 
3
O
 
8
]
9.FA.30Orthoclase
K[AlSi
 
3
O
 
8
]
9.FA.30Sanidine
K[AlSi
 
3
O
 
8
]
9.FA.30Rubicline
(Rb,K)[AlSi
 
3
O
 
8
]
9.FA.30Kokchetavite
KAlSi
 
3
O
 
8
9.FA.30Monalbite
Na[AlSi
 
3
O
 
8
]
9.FA.35Albite
Na[AlSi
 
3
O
 
8
]
9.FA.35Andesine
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
9.FA.35Anorthite
Ca[Al
 
2
Si
 
2
O
 
8
]
9.FA.35Bytownite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
9.FA.35Labradorite
(Ca,Na)[Al(Al,Si)Si
 
2
O
 
8
]
9.FA.35Oligoclase
(Na,Ca)[Al(Si,Al)Si
 
2
O
 
8
]
9.FA.35Reedmergnerite
Na[BSi
 
3
O
 
8
]
9.FA.40Paracelsian
Ba[Al
 
2
Si
 
2
O
 
8
]
9.FA.45Svyatoslavite
Ca[Al
 
2
Si
 
2
O
 
8
]
9.FA.50Slawsonite
(Sr,Ca)[Al
 
2
Si
 
2
O
 
8
]
9.FA.55Lisetite
CaNa
 
2
Al
 
4
Si
 
4
O
 
16
9.FA.60Banalsite
BaNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
9.FA.60Stronalsite
SrNa
 
2
[Al
 
2
Si
 
2
O
 
8
]
 
2
9.FA.65Danburite
Ca[BSiO
 
4
]
 
2
9.FA.65Maleevite
BaB
 
2
Si
 
2
O
 
8
9.FA.65Pekovite
SrB
 
2
Si
 
2
O
 
8

Other Names for Lingunite

Synonyms:
IMA2004-054Unnamed (Tetragonal analogue of Albite)

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 Lingunite

Reference List:Liu, L. (1978): High-pressure phase transformations of albite, jadeite and nepheline. Earth Planetary Science Letters, 37, 438-444.

Gillet, P., Chen, M., Dubrovinsky, L., El Goresy, A. (2000): Natural NaAlSi3O8-hollandite in the shocked Sixiangkou meteorite. Science, 287, 1633-1636.

Tomioka, N., Mori, H., Fujino, K. (2000): Shock-induced transition of NaAlSi3O8 feldspar into a hollandite structure in a L6 chondrite. Geophysical Research Letters, 27, 3997-4000.

Xi Liu (2006): Phase relations in the system KAlSi3O8–NaAlSi3O8 at high pressure–high temperature conditions and their implication for the petrogenesis of lingunite. Earth and Planetary Sciences Letters 246, 317-325.

Liu, Lin-Gun & El Gorsey, Ahmed (2007) High-Pressure Phase Transitions of the Feldspars, and Further Characterization of Lingunite, International Geology Review, 49, 854-860.

Internet Links for Lingunite

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    Localities for Lingunite

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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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.
    Australia
     
    • Queensland
      • South Gregory
        • Tenham Station
    		Excalibur Minerals CATALOG #20506 - Vol. XXXII, No. 6
    China
     
    • Hubei Province
      • Suizhou Prefecture
        • Zengdu District
          • Dayanpo
    		[AmMin 85:1564]
    • Jiangsu Province
      • Taizhou Prefecture
        • Taizhou City
          • Sixiangkou
    		IMA Website
    Mineral and/or Locality
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