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Tugtupite

Big Photo

Kvanefjeld tunnel, Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
© Joseph A. Freilich

Show Tugtupite Photos (22)
Formula:
Na
 
4
[Cl|BeAlSi
 
4
O
 
12
]
System:TetragonalColour:White to pink, red, ...
Hardness:4
Name:Named after its discovery locality, Tugtup agtâkorfia, Narsaq municipality, Greenland.


Sodalite Group

Piezoelectric.

Classification of Tugtupite

IMA status:Approved
Strunz 8th edition ID:8/J.11-50
Nickel-Strunz 10th (pending) edition ID:9.FB.10

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
Dana 8th edition ID:76.2.3.7

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
Hey's CIM Ref.:17.3.5

17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
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Type Occurrence of Tugtupite

Type Locality:Tugtup Agtakorfia, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
Year of Discovery:1962
Geological Setting of type material:As replacements of chkalovite in hydrothermal veins cutting sodalite syenite and syenite.

Physical Properties of Tugtupite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:White to pink, red, bluish, greenish; colourless in transmitted light
Hardness (Mohs):4
Cleavage:Distinct/Good
On {101}; on {110} fair.
Fracture:Conchoidal
Density (measured):2.33 g/cm3
Density (calculated):2.34 g/cm3

Crystallography of Tugtupite

Crystal System:Tetragonal
Class (H-M):4 - Disphenoidal
Space Group:I4
Cell Parameters:a = 8.64Å, c = 8.87Å
Ratio:a:c = 1 : 1.027
Unit Cell Volume:V 662.14 ų (Calculated from Unit Cell)
Morphology:Short tetragonal prisms with pyramids, sphenoids, and bisphenoids. Fine-grained aggregates; massive.
Twinning:On (101), penetration twinning resulting in pseudocubic triplets; pseudotrigonal contact twins with composition planes (101¯) and (011¯).
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Tugtupite

Type:Uniaxial (+)
RI values: nω = 1.496 nε = 1.502
Birefringence:Anomalously biaxial.
Maximum Birefringence:δ = 0.006

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Pleochroism:Weak
Comments:Weak lilac to weak red-orange.

Chemical Properties of Tugtupite

Formula:
Na
 
4
[Cl|BeAlSi
 
4
O
 
12
]
Essential elements:Al, Be, Cl, Na, O, Si
All elements listed in formula:Al, Be, Cl, Na, O, Si
Common Impurities:Fe,Ga,Mg,Ca,K,H2O,S

Relationship of Tugtupite to other Species

Related to:
  • Sodalite Group
    • Related Minerals - Nickel-Strunz Grouping):
    9.FB.05Afghanite
    (Na,Ca,K)
     
    8
    		[(Cl
     
    2
    		,SO
     
    4
    		,CO
     
    3
    		)
     
    3
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Bystrite
    (Na,K)
     
    7
    		Ca[(S
     
    3
    		)
     
    1.5
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · H
     
    2
    		O
    9.FB.05Cancrinite
    Na
     
    6
    		Ca
     
    2
    		[(CO
     
    3
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Cancrisilite
    Na
     
    7
    		[CO
     
    3
    		|Al
     
    5
    		Si
     
    7
    		O
     
    24
    		] · 3H
     
    2
    		O
    9.FB.05Davyne
    (Na,K)
     
    6
    		Ca
     
    2
    		[(Cl
     
    2
    		,SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		SO
     
    24
    		]
    9.FB.05Franzinite
    (Na,K)
     
    6
    		Ca
     
    2
    		[(SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Giuseppettite
    (Na,K,Ca)
     
    7-8
    		[(SO
     
    4
    		,Cl)
     
    1-2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Hydroxycancrinite
    Na
     
    8
    		[(OH)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Liottite
    (Na,K)
     
    16
    		Ca
     
    8
    		[Cl
     
    4
    		|(SO
     
    4
    		)
     
    5
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    3
    		]
    9.FB.05Microsommite
    Na
     
    4
    		K
     
    2
    		Ca
     
    2
    		[Cl
     
    2
    		|SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Pitiglianoite
    Na
     
    6
    		K
     
    2
    		[SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Quadridavyne
    (Na,K)
     
    6
    		Ca
     
    2
    		[Cl
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.05Sacrofanite
    (Na,Ca,K)
     
    9
    		[{(OH)
     
    2
    		,SO
     
    4
    		,CO
     
    3
    		,Cl
     
    2
    		}
     
    3
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 0.5H
     
    2
    		O
    9.FB.05Tounkite
    (Na,Ca,K)
     
    8
    		[Cl|(SO
     
    4
    		)
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · H
     
    2
    		O
    9.FB.05Vishnevite
    (Na,K)
     
    8
    		[(SO
     
    4
    		,CO
     
    3
    		)|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		] · 2H
     
    2
    		O
    9.FB.05Marinellite
    (Na,K)
     
    42
    		Ca
     
    6
    		[Cl
     
    2
    		|(SO
     
    4
    		)
     
    8
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    6
    		] · 3 H
     
    2
    		O
    9.FB.05Farneseite
    (Na,Ca,K)
     
    56
    		[(SO
     
    4
    		)
     
    12
    		|Al
     
    42
    		Si
     
    42
    		O
     
    168
    		] · 6H
     
    2
    		O
    9.FB.05Alloriite
    (Na,Ca,K)
     
    26
    		Ca
     
    4
    		[Cl
     
    6
    		|(SO
     
    4
    		)
     
    6
    		|(Al
     
    6
    		Si
     
    6
    		O
     
    24
    		)
     
    4
    		]
    9.FB.05IMA2008-006
    [Na
     
    82.5
    		Ca
     
    33
    		K
     
    16.5
    		]
     
    132
    		(Si
     
    99
    		Al
     
    99
    		O
     
    396
    		)(SO
     
    4
    		)
     
    33
    		·4H
     
    2
    		O
    9.FB.10Bicchulite
    Ca
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		SiO
     
    6
    		]
    9.FB.10Danalite
    Fe
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Genthelvite
    Zn
     
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Haüyne
    (Na,Ca)
     
    4-8
    		[Al
     
    6
    		Si
     
    6
    		(O,S)
     
    24
    		](SO
     
    4
    		,Cl)
     
    1-2
    9.FB.10Helvite
    Mn
    2+
    4
    		Be
     
    3
    		[S|(SiO
     
    4
    		)
     
    3
    		]
    9.FB.10Kamaishilite
    Ca
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		SiO
     
    6
    		]
    9.FB.10Lazurite
    (Na,Ca)
     
    8
    		[(S,SO
     
    4
    		,Cl
     
    2
    		)|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Nosean
    Na
     
    8
    		[SO
     
    4
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    9.FB.10Tsaregorodtsevite
    N(CH
     
    3
    		)
     
    4
    		[AlSi
     
    5
    		O
     
    12
    		]
    9.FB.10Helvine
    9.FB.15Marialite
    Na
     
    4
    		[Cl|(AlSi
     
    3
    		O
     
    8
    		)
     
    3
    		]
    9.FB.15Meionite
    Ca
     
    4
    		[CO
     
    3
    		|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
    9.FB.15Silvialite
    (Ca,Na)
     
    4
    		[(SO
     
    4
    		,CO
     
    3
    		)|(Al
     
    2
    		Si
     
    2
    		O
     
    8
    		)
     
    3
    		]
    Related Minerals - Hey's Index Grouping:
    17.3.1Rustumite
    Ca
     
    10
    		(Si
     
    2
    		O
     
    7
    		)
     
    2
    		(SiO
     
    4
    		)Cl
     
    2
    		(OH)
     
    2
    17.3.2Zunyite
    Al
     
    13
    		Si
     
    5
    		O
     
    20
    		(OH,F)
     
    18
    		Cl
    17.3.3Sodalite
    Na
     
    8
    		[Cl
     
    2
    		|Al
     
    6
    		Si
     
    6
    		O
     
    24
    		]
    17.3.4Marialite
    Na
     
    4
    		[Cl|(AlSi
     
    3
    		O
     
    8
    		)
     
    3
    		]
    17.3.6Eudialyte
    Na
     
    15
    		Ca
     
    6
    		(Fe
    2+
     
    		,Mn
    2+
     
    		)
     
    3
    		Zr
     
    3
    		[Si
     
    25
    		O
     
    73
    		](O,OH,H
     
    2
    		O)
     
    3
    		(OH,Cl)
     
    2
    17.3.7Alluaivite
    Na
     
    19
    		(Ca,Mn)
     
    6
    		(Ti,Nb)
     
    3
    		Si
     
    26
    		O
     
    74
    		Cl·2H
     
    2
    		O
    17.3.8Nasonite
    Pb
     
    6
    		Ca
     
    4
    		[Cl
     
    2
    		|(Si
     
    2
    		O
     
    7
    		)
     
    3
    		]
    17.3.9Asisite
    Pb
     
    7
    		[O
     
    4
    		|SiO
     
    4
    		|Cl
     
    2
    		]
    17.3.10Jagoite
    (Pb,Ca)
     
    3
    		FeSi
     
    3
    		O
     
    10
    		(Cl,OH)
    17.3.11Friedelite
    (Mn,Fe)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH,Cl)
     
    10
    17.3.12Pyrosmalite-(Fe)
    (Fe,Mn)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH,Cl)
     
    10
    17.3.13Pyrosmalite
    (Fe,Mn)
     
    8
    		Si
     
    16
    		O
     
    15
    		(OH,Cl)
     
    10
    17.3.14Pyrosmalite-(Mn)
    (Mn,Fe)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH,Cl)
     
    10
    17.3.16Mcgillite
    (Mn,Fe)
     
    8
    		Si
     
    6
    		O
     
    15
    		(OH)
     
    8
    		Cl
     
    2
    17.3.17Traskite
    Ba
     
    9
    		Fe
     
    2
    		Ti
     
    2
    		Si
     
    12
    		O
     
    36
    		(OH,Cl,F)
     
    6
    		·6H
     
    2
    		O
    17.3.18Muirite
    Ba
     
    10
    		Ca
     
    2
    		Mn
    2+
     
    		Ti[(OH,Cl,F)|HSi
     
    2
    		O
     
    7
    		]
     
    5
    17.3.19Verplanckite
    Ba
     
    2
    		(Mn,Fe,Ti)Si
     
    2
    		O
     
    6
    		(O,OH,Cl,F)
     
    2
    		·3H
     
    2
    		O or near

    Other Names for Tugtupite

    German names:
    Tugtupit
    Russian names:
    Тугтупит
    Spanish names:
    Tugtupita

    Other Information

    Fluorescence in UV light:Magenta-red to pink (SW UV). Photochromic.
    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 Tugtupite

    Reference List:American Mineralogist (1961): 46: 241.

    Sørenson, H. (1962) On the occurrence of steenstrupine in the Ilimaussaq massif, southwest Greenland. Meddelelser om Grønland: 167(1): 218-219.

    American Mineralogist (1963): 48: 1178.

    Danø, M. (1966) The crystal structure of tugtupite - a new mineral, Na8Al2Be2Si8O24(Cl,S)2. Acta Crystallographica: 20: 812-816.

    Poverennhykh, A.S. et al (1971) The color and luminescence of tugtupite (beryllosodalite) from Ilimaussaq, Greenland. Meddelelser om Grønland: 181(14).

    Sørenson, H., Danø, M., and Petersen, O.V. (1971) On the mineralogy and paragenesis of tugtupite. Grønlands Geologiske Undersøgelse Bulletin 95, 38 pp.

    Petersen, O.V. (1978) The twin formation of tugtupite, a contribution. Mineralogical Magazine: 42: 251-254.

    Hassan, I. and Grundy, H.D. (1991) The crystal structure and thernmal expansion of tugtupite, Na8[Al2Be2Si8O24]Cl2. Canadian Mineralogist: 29: 385-390.

    Internet Links for Tugtupite

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  • Look for Tugtupite on Wikipedia
  • Look for Tugtupite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Tugtupite in the Natural History Museum (London) online catalogue
  • Tugtupite details from Handbook of Mineralogy (PDF)
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    Localities for Tugtupite

    Hide Locality List
    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.
    Canada
     
    • Québec
      • Rouville Co.
        • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Ilimaussaq complex
    		Neues Jahrbuch Min. Monatsh. 1 (2002), 23-30
    No reference listed
    Petersen, O. V. & Johnsen, O. (2005): Minerals First described from Greenland. Canadian Mineralogist Special Publication 8.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		World of Stones 95:5-6, p64; Men'shikov, Y.P., et al (2006), American Mineralogist: 91: 922-928.
          • Lovozero Massif
            • Alluaiv Mt
              • Umbozero mine
    		Lapis, 4/97, Ivanjuk et al.
    [World of Stones 95:5-6, p64]
    Mineral and/or Locality
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