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Tugtupite

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Formula:
Na4(AlBeSi4O12)Cl
System:
Tetragonal
Colour:
Commonly red, also white ...
Hardness:
4
Member of:
Name:
Named after its discovery locality, Tugtup Agtâkorfia, Narsaq municipality, Greenland.
See also: Sodalite Group.

Piezoelectric.

Visit gemdat.org for gemological information about Tugtupite.

Classification of Tugtupite

Approved
9.FB.10

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
76.2.3.7

76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
17.3.5

17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
mindat.org URL:
http://www.mindat.org/min-4044.html
Please feel free to link to this page.

First Recorded Occurrence of Tugtupite

Year of Discovery:
1962
Geological Setting of First Recorded Material:
As replacements of chkalovite in hydrothermal veins cutting sodalite syenite and syenite.

Physical Properties of Tugtupite

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:
2.33 g/cm3 (Measured)    2.34 g/cm3 (Calculated)

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:
Data courtesy of RRUFF project at University of Arizona, used with permission.
X-Ray Powder Diffraction Data:
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
Max Birefringence:
δ = 0.006
Image 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:
Na4(AlBeSi4O12)Cl
Essential elements:
All elements listed in formula:
Common Impurities:
Fe,Ga,Mg,Ca,K,H2O,S

Relationship of Tugtupite to other Species

Member of:
Other Members of Group:
DanaliteFe42+(Be3Si3O12)S
GenthelviteZn4(Be3Si3O12)S
HelvineMn42+(Be3Si3O12)S
9.FB.05Afghanite(Na,Ca,K)8(Al6Si6O24)(Cl2,SO4,CO3)3 · 0.5H2O
9.FB.05Bystrite(Na,K)7Ca(Al6Si6O24)(S3)1.5 · H2O
9.FB.05Cancrinite(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
9.FB.05CancrisiliteNa7(Al5Si7O24)(CO3) · 3H2O
9.FB.05Davyne(Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2
9.FB.05Franzinite(Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O
9.FB.05Giuseppettite(Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2
9.FB.05HydroxycancriniteNa8(Al6Si6O24)(OH)2 · 2H2O
9.FB.05Liottite(Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
9.FB.05MicrosommiteNa4K2Ca2(Al6Si6O24)(SO4)Cl2
9.FB.05PitiglianoiteNa6K2(Al6Si6O24)(SO4) · 2H2O
9.FB.05Quadridavyne(Na,K)6Ca2(Al6Si6O24)Cl4
9.FB.05Sacrofanite(Na,K)98Ca20(Al6Si6O24)14(SO4)26Cl2 · 8H2O
9.FB.05Tounkite(Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O
9.FB.05Vishnevite(Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O
9.FB.05Marinellite(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O
9.FB.05Farneseite(Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O
9.FB.05Alloriite(Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6
9.FB.05Fantappièite[Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O
9.FB.05KyanoxaliteNa7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5)
9.FB.05Balliranoite(Na,K)6Ca2(Si6Al6O24)Cl2(CO3)
9.FB.05CarbobystriteNa8(Al6Si6O24)(CO3) · 3.5H2O
9.FB.05DepmeieriteNa8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x<0.5)
9.FB.05KircheriteNa5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O
9.FB.10BicchuliteCa2(Al2SiO6)(OH)2
9.FB.10DanaliteFe42+(Be3Si3O12)S
9.FB.10GenthelviteZn4(Be3Si3O12)S
9.FB.10Haüyne(Na,Ca)4-8(Al6Si6O24)(SO4,S,Cl)1-2
9.FB.10HelvineMn42+(Be3Si3O12)S
9.FB.10KamaishiliteCa2(Al2SiO6)(OH)2
9.FB.10LazuriteNa6 Ca2(Al6Si6O24)(SO4,S,S2, S3,Cl,OH)2
9.FB.10NoseanNa8(Al6Si6O24)(SO4) · H2O
9.FB.10SodaliteNa8(Al6Si6O24)Cl2
9.FB.10Tsaregorodtsevite(N(CH3)4)(AlSi5O12)
9.FB.15MarialiteNa4Al3Si9O24Cl
9.FB.15MeioniteCa4Al6Si6O24CO3
9.FB.15Silvialite(Ca,Na)4(Al6Si6O24)(SO4,CO3)
17.3.1RustumiteCa10(Si2O7)2(SiO4)(OH)2Cl2
17.3.2ZunyiteAl13Si5O20(OH,F)18Cl
17.3.3SodaliteNa8(Al6Si6O24)Cl2
17.3.4MarialiteNa4Al3Si9O24Cl
17.3.6EudialyteNa15Ca6(Fe2+,Mn2+)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2
17.3.7AlluaiviteNa19(Ca,Mn)6(Ti,Nb)3Si26O74Cl · 2H2O
17.3.8NasonitePb6Ca4(Si2O7)3Cl2
17.3.9AsisitePb7SiO9Cl2
17.3.10JagoitePb18Fe43+[Si4(Si,Fe3+)6][Pb4Si16(Si,Fe)4]O82Cl6
17.3.11Friedelite(Mn,Fe)8Si6O15(OH,Cl)10
17.3.12Pyrosmalite-(Fe)(Fe,Mn)8Si6O15(OH,Cl)10
17.3.13Pyrosmalite
17.3.14Pyrosmalite-(Mn)(Mn,Fe)8Si6O15(OH,Cl)10
17.3.16Mcgillite(Mn,Fe)8Si6O15(OH)8Cl2
17.3.17TraskiteBa21Ca(Fe2+,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6·14H2O
17.3.18MuiriteBa10Ca2Mn2+Ti[(OH,Cl,F)|HSi2O7]5
17.3.19VerplanckiteBa2(Mn,Fe,Ti)Si2O6(O,OH,Cl,F)2 · 3H2O or near

Other Names for Tugtupite

Name in Other Languages:
German:Tugtupit
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

Bright magenta-red to pink (SW UV). Photochromic.
Health Risks:
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

Localities for Tugtupite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
Olivier Langelier Collection
    • 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 Fjord)
          • 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; 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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