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Tugtupite

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Formula:
Na
 
4
(AlBeSi
 
4
O
 
12
)Cl
System:TetragonalColour:Commonly red, also white ...
Hardness:4
Member of:Helvine Group
Name:Named after its discovery locality, Tugtup Agtâkorfia, Narsaq municipality, Greenland.


See also: Sodalite Group.

Piezoelectric.

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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:Albitite vein, Tugtup Agtakôrfia (Tuttup Attakoorfia), Tunulliarfik Fjord (Tunugdliarfik), Ilímaussaq complex, Narsaq, Kujalleq, 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
Simplified for copy/paste:Na4(AlBeSi4O12)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:Helvine Group
Other Members of Group:

- +
Danalite
Fe
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
Genthelvite
Zn
 
4
(Be
 
3
Si
 
3
O
 
12
)S
Helvine
Mn
2+
4
(Be
 
3
Si
 
3
O
 
12
)S
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
 
24
)(SO
 
4
,S,Cl)
 
1-2
9.FB.10Helvine
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
 
6
Ca
 
2
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
,S,S
 
2
, S
 
3
,Cl,OH)
 
2
9.FB.10Nosean
Na
 
8
(Al
 
6
Si
 
6
O
 
24
)(SO
 
4
) · H
 
2
O
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.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
 
9
Cl
 
2
17.3.10Jagoite
Pb
 
18
Fe
3+
4
[Si
 
4
(Si,Fe
3+
 
)
 
6
][Pb
 
4
Si
 
16
(Si,Fe)
 
4
]O
 
82
Cl
 
6
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
Simplified Chinese:硅铍铝钠石
铍方钠石
Spanish:Tugtupita
Traditional Chinese:矽鈹鋁鈉石
鈹方鈉石

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:

- +
SEMENOV, E.I., and BYKOVA, A.V. (1960) Beryllosodalite. Doklady Akademii Nauk SSSR., Earth Sciences Section, 133, 812-814.
SØRENSEN, H. (1960) Beryllium minerals in a pegmatite in the nepheline syenites of Ilímaussaq, South West Greenland. International Geological Congress, Report, 21st Session, Norden. Part 17, 31 35. Abstract: American Mineralogist, 46, 241.
Danø, M. (1966) The crystal structure of tugtupite - a new mineral, Na8Al2Be2Si8O24(Cl,S)2. Acta Crystallographica: 20: 812-816.
Sørenson, H., Danø, M., and Petersen, O.V. (1971) On the mineralogy and paragenesis of tugtupite. Grønlands Geologiske Undersøgelse Bulletin 95, 38 pp.
Poverennhykh, A.S. et al (1971) The color and luminescence of tugtupite (beryllosodalite) from Ilimaussaq, Greenland. Meddelelser om Grønland: 181(14).
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.
HORVÁTH, L., and GAULT, R.G. (1990) The mineralogy of Mont Saint Hilaire. Mineralogical Record, 21, 284 359.





Internet Links for Tugtupite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Tugtupite details from Handbook of Mineralogy (PDF)
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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.
    (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
        • La Vallée-du-Richelieu RCM
          • Mont Saint-Hilaire
    Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Greenland
     
    • Kujalleq
      • Narsaq
    Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
          • Kangerluarsuk Fjord (Kangerdluarssuq)
            • Qeqertaussaq Island
    Soerensen, H. (1962): On the occurrence of Steenstrupine in the Ilimaussaq massif, southwest Greenland, Meddelelser om Groenland, Reitzels Forlag Koebenhavn
    SØRENSEN, H. (1960) Beryllium minerals in a pegmatite in the nepheline syenites of Ilímaussaq, South West Greenland. International Geological Congress, Report, 21st Session, Norden. Part 17, 31 35. Abstract: American Mineralogist, 46, 241. Danø, M. (1966) The crystal structure of tugtupite - a new mineral, Na8Al2Be2Si8O24(Cl,S)2. Acta Crystallographica: 20: 812-816. Sørenson, H., Danø, M., and Petersen, O.V. (1971) On the mineralogy and paragenesis of tugtupite. Grønlands Geologiske Undersøgelse Bulletin 95, 38 pp.
    Pavel M. Kartashov
            • Kvanefjeld Uranium deposit
    Henning Sørensen and Lotte Melchior Larsen (2001) The hyper-agpaitic stage in the evolution of the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin 190, 83–94
    Petersen, O.V., Giester, G., Brandstätter, F., Niedermayr, G. (2002): Nabesite, a new mineral species from the Ilimaussaq alkaline complex. Canadian Mineralogist. 40, 173-181
          • Taseq area
    Cole, M. (2003): Fluorescent Minerals of the Ilimaussaq Complex, Greenland, MinerShop 2003
          • Tunulliarfik Fjord (Tunugdliarfik)
    SØRENSEN, H., DANØ, M. and PETERSEN, O.V. (1971) On the mineralogy and paragenesis of tugtupite Na8Al2Be2Si8O24(Cl, S)2 from the Ilímaussaq alkaline intrusion, South Greenland. Meddelelser on Grønland, 181, 1 39. Petersen, O. V. & Johnsen, O. (2005): Minerals First described from Greenland. Canadian Mineralogist Special Publication 8.
    Andersen, E.K., Danø, M., and Peteresen, O.V. (1969): A tetragonal natrolite. Contribution to the mineralogy of Ilímaussaq, No 13. Meddelelser om Grønland, 181, (10), 1-19.; Sørensen, H. (1960) Beryllium minerals in a pegmatite in the nepheline syenites of Ilímaussaq, South West Greenland. International Geological Congress, Report, 21st Session, Norden. Part 17, 31 35. Abstract: American Mineralogist, 46, 241.
    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 (Umbozerskii 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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