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Tugtupite

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Big Photo

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

Show Tugtupite Photos (48)



Formula:
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
System:TetragonalColour:Commonly red, also white ...
Hardness:4
Member of:Sodalite Group
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 (Tuttup Attakoorfia), Tunugdliarfik Firth (Eriksfjord), 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:Sub-Vitreous, Waxy, Greasy, Dull
Diaphaneity (Transparency):Translucent
Colour:Commonly red, also white to pink, bluish white, greenish white
Comment:colorless in transmitted light
Streak:white
Hardness (Mohs):4
Tenacity:Brittle
Cleavage:Distinct/Good
On {101}; on {110} fair.
Fracture:Step-Like
Comment:Usually shows cleavage because of the great number of planes associated with the cleavage forms.
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¯).
Comment:pseudo-cubic
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction:
d-spacingIntensity
6.19 (40)
6.11 (10)
4.43 (10)
3.59 (40)
3.54 (100)
2.52 (20)
2.06 (10)
2.04 (10)
Comments:Canadian Mineralogist 29:385

Optical Data of Tugtupite

Type:Uniaxial (+)
RI values: nω = 1.496 nε = 1.502
Birefringence:0.006
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
Dispersion:Anomalously biaxial
Pleochroism:Weak
Comments:Weak lilac to weak red-orange.

Chemical Properties of Tugtupite

Formula:
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
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

Member of:Sodalite Group
Other Members of Group:

- +
Haüyne
(Na,Ca)
 
4-8
(Al
 
6
Si
 
6
(O,S)
 
24
)(SO
 
4
,Cl)
 
1-2
Lazurite
(Na,Ca)
 
8
(Al
 
6
Si
 
6
O
 
24
)(S,SO
 
4
,Cl
 
2
)
Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
Tsaregorodtsevite
(N(CH
 
3
)
 
4
)(AlSi
 
5
O
 
12
)
Vladimirivanovite
Na
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,S
 
3
,S
 
2
,Cl
 
2
)
 
2
 · H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
9.FB.05Afghanite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
,CO
 
3
)
 
3
 · 0.5H
 
2
O
9.FB.05Bystrite
(Na,K)
 
7
Ca(Al
 
6
Si
 
6
O
 
24
)(S
 
3
)
 
1.5
 · H
 
2
O
9.FB.05Cancrinite
(Na,Ca,☐)
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
,SO
 
4
)
 
2
 · 2H
 
2
O
9.FB.05Cancrisilite
Na
 
7
(Al
 
5
Si
 
7
O
 
24
)(CO
 
3
) · 3H
 
2
O
9.FB.05Davyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(Cl
 
2
,SO
 
4
)
 
2
9.FB.05Franzinite
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.5H
 
2
O
9.FB.05Giuseppettite
(Na,K,Ca)
 
7-8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,Cl)
 
1-2
9.FB.05Hydroxycancrinite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(OH)
 
2
 · 2H
 
2
O
9.FB.05Liottite
(Na,K)
 
16
Ca
 
8
(Al
 
6
Si
 
6
O
 
24
)
 
3
(SO
 
4
)
 
5
Cl
 
4
9.FB.05Microsommite
Na
 
4
K
 
2
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)Cl
 
2
9.FB.05Pitiglianoite
Na
 
6
K
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · 2H
 
2
O
9.FB.05Quadridavyne
(Na,K)
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)Cl
 
4
9.FB.05Sacrofanite
(Na,K)
 
98
Ca
 
20
(Al
 
6
Si
 
6
O
 
24
)
 
14
(SO
 
4
)
 
26
Cl
 
2
 · 8H
 
2
O
9.FB.05Tounkite
(Na,Ca,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
Cl · H
 
2
O
9.FB.05Vishnevite
(Na,K)
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
) · 2H
 
2
O
9.FB.05Marinellite
(Na,K)
 
42
Ca
 
6
(Al
 
6
Si
 
6
O
 
24
)
 
6
(SO
 
4
)
 
8
Cl
 
2
 · 3H
 
2
O
9.FB.05Farneseite
(Na,Ca,K)
 
56
(Al
 
6
Si
 
6
O
 
24
)
 
7
(SO
 
4
)
 
12
 · 6H
 
2
O
9.FB.05Alloriite
(Na,Ca,K)
 
26
Ca
 
4
(Al
 
6
Si
 
6
O
 
24
)
 
4
(SO
 
4
)
 
6
Cl
 
6
9.FB.05Fantappièite
[Na
 
82.5
Ca
 
33
K
 
16.5
](Si
 
99
Al
 
99
O
 
396
)(SO
 
4
)
 
33
 · 4H
 
2
O
9.FB.05Kyanoxalite
Na
 
7
(Al
 
6-x
Si
 
6+x
O
 
24
)(C
 
2
O
 
4
)
 
0.5+x
 · 5H
 
2
O (0 < x < 0.5)
9.FB.05Balliranoite
(Na,K)
 
6
Ca
 
2
(Si
 
6
Al
 
6
O
 
24
)Cl
 
2
(CO
 
3
)
9.FB.05Carbobystrite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(CO
 
3
) · 3.5H
 
2
O
9.FB.05Depmeierite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(PO
 
4
,CO
 
3
)
 
1-x
 · 3H
 
2
O (x<0.5)
9.FB.05Kircherite
Na
 
5
Ca
 
2
K(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
 
2
 · 0.33H
 
2
O
9.FB.10Bicchulite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Danalite
Fe
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
9.FB.10Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
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
Si
 
3
O
 
12
)S
9.FB.10Kamaishilite
Ca
 
2
(Al
 
2
SiO
 
6
)(OH)
 
2
9.FB.10Lazurite
(Na,Ca)
 
8
(Al
 
6
Si
 
6
O
 
24
)(S,SO
 
4
,Cl
 
2
)
9.FB.10Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
)
9.FB.10Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
9.FB.10Tsaregorodtsevite
(N(CH
 
3
)
 
4
)(AlSi
 
5
O
 
12
)
9.FB.10Helvine
9.FB.15Marialite
Na
 
4
Al
 
3
Si
 
9
O
 
24
Cl
9.FB.15Meionite
Ca
 
4
Al
 
6
Si
 
6
O
 
24
CO
 
3
9.FB.15Silvialite
(Ca,Na)
 
4
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,CO
 
3
)
Related Minerals - Hey's Index Grouping:

- +
17.3.1Rustumite
Ca
 
10
(Si
 
2
O
 
7
)
 
2
(SiO
 
4
)(OH)
 
2
Cl
 
2
17.3.2Zunyite
Al
 
13
Si
 
5
O
 
20
(OH,F)
 
18
Cl
17.3.3Sodalite
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)Cl
 
2
17.3.4Marialite
Na
 
4
Al
 
3
Si
 
9
O
 
24
Cl
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
(Si
 
2
O
 
7
)
 
3
Cl
 
2
17.3.9Asisite
Pb
 
7
(SiO
 
4
)O
 
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
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
 
21
Ca(Fe
2+
 
,Mn,Ti)
 
4
(Ti,Fe,Mg)
 
12
(Si
 
12
O
 
36
)(Si
 
2
O
 
7
)
 
6
(O,OH)
 
30
Cl
 
6
·14H
 
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

Other Languages:
German:Tugtupit
Russian:Тугтупит
Spanish:Tugtupita

Other Information

Fluorescence in UV light:Bright 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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  • Raman and XRD data at RRUFF project
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    • Localities for Tugtupite

    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.
    Hide Locality List
    (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
      • Montérégie
        • Rouville RCM
          • 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
          • Kangerdluarssuq (Kangerdluarssuk; Kangerdluarsuk) Firth
            • Qeqertaussaq Island
    		Soerensen, H. (1962): On the occurrence of Steenstrupine in the Ilimaussaq massif, southwest Greenland, Meddelelser om Groenland, Reitzels Forlag Koebenhavn
    Neues Jahrbuch Min. Monatsh. 1 (2002), 23-30; Petersen, O., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex, Canadian Mineralogist, Vol. 40, 173-181
    Pavel M. Kartashov
          • Tasseq area
    		Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
          • Tunugdliarfik Firth (Eriksfjord)
    		[Soerensen, H. (1962): On the occurrence of Steenstrupine in the Ilimaussaq massif, southwest Greenland, Meddelelser om Groenland, Reitzels Forlag Koebenhavn] [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 (Umba mine)
    		Lapis, 4/97, Ivanjuk et al.
    [World of Stones 95:5-6, p64]
            • Malyi Punkaruaiv Mt
    		Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
    Mineral and/or Locality
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