Narsarsukite

Narsarsukite

Água de Pau Volcano, São Miguel, Azores, Portugal

Narsarsukite

Illutalik dyke, Illutalik Island, Kujalleq, Greenland

Narsarsukite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Narsarsukite

Água de Pau Volcano, São Miguel, Azores, Portugal

Narsarsukite

Illutalik dyke, Illutalik Island, Kujalleq, Greenland

Narsarsukite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Narsarsukite

Água de Pau Volcano, São Miguel, Azores, Portugal

Narsarsukite

Illutalik dyke, Illutalik Island, Kujalleq, Greenland

About NarsarsukiteHide

Walking to the Narssarssuk pegmatite.

Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland

Formula:

Na₄(Ti,Fe)₂[Si₈O₂₀](O,OH,F)₂

Colour:

Yellow, yellowish-white, grayish-white, honey-yellow, tan, pink, greenish-yellow, green, brown, orange, colourless

Lustre:

Vitreous, Pearly

Hardness:

5½ - 7

Specific Gravity:

2.64 - 2.83

Crystal System:

Tetragonal

Name:

Named for the type locality.

Type Locality:

ⓘ Narssârssuk pegmatite, Narsaarsuk Plateau, Igaliku, Kujalleq, Greenland

Visit gemdat.org for gemological information about Narsarsukite.

Unique IdentifiersHide

IMA Classification of NarsarsukiteHide

Classification of NarsarsukiteHide

Mineral SymbolsHide

Physical Properties of NarsarsukiteHide

Optical Data of NarsarsukiteHide

Type:

Uniaxial (+)

RI values:

n_ω = 1.601 - 1.614 n_ε = 1.632 - 1.655

Max Birefringence:

δ = 0.031

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Pleochroism:

Weak

Comments:

O = colorless to yellow; E = colorless to honey-yellow

Chemistry of NarsarsukiteHide

Crystallography of NarsarsukiteHide

Crystallographic forms of NarsarsukiteHide

Crystal Atlas:

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Narsarsukite no.1 - Goldschmidt (1913-1926)

Narsarsukite no.2 - Goldschmidt (1913-1926)

Narsarsukite no.3 - Goldschmidt (1913-1926)

3d models and HTML5 code kindly provided by www.smorf.nl.

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0000113	Narsarsukite	Peacor D R, Buerger M J (1962) The determination and refinement of the structure of narsarsukite, Na2TiOSi4O10 American Mineralogist 47 539-556		1962		0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Narsarsukite' loop_ _publ_author_name 'Peacor D R' 'Buerger M J' _journal_name_full 'American Mineralogist' _journal_volume 47 _journal_year 1962 _journal_page_first 539 _journal_page_last 556 _publ_section_title ; The determination and refinement of the structure of narsarsukite, Na2TiOSi4O10 ; _database_code_amcsd 0000113 _chemical_formula_sum 'Ti Na2 Si4 O11' _cell_length_a 10.7269 _cell_length_b 10.7269 _cell_length_c 7.9476 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 914.502 _exptl_crystal_density_diffrn 2.776 _symmetry_space_group_name_H-M 'I 4/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ti 0.00000 0.00000 0.23960 0.00165 Na 0.18580 0.13780 0.50000 0.01748 Si 0.01180 0.30850 0.19240 -0.00114 O1 0.00000 0.00000 0.00000 0.00063 O2 0.00000 0.00000 0.50000 0.00253 O3 -0.04000 0.30240 0.00000 0.00215 O4 0.04880 0.17540 0.26840 0.00469 O5 0.13240 0.40230 0.19380 0.00405

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Type Occurrence of NarsarsukiteHide

Synonyms of NarsarsukiteHide

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References for NarsarsukiteHide

Localities for NarsarsukiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Antarctica
Eastern Antarctica Queen Maud Land ⓘ Straumsvola complex	Harris et al. (1993)
Brazil
Minas Gerais Poços de Caldas ⓘ Bortolan quarry	Azzi (2017)
ⓘ Poços de Caldas alkaline complex	Azzi (2019)
Paraná Tijucas do Sul Morro Redondo complex ⓘ Papanduva pluton	Vilalva et al. (2010)
Canada
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	166-175. +4 other references
ⓘ Strange Lake complex (Lac Brisson complex)	Birkett et al. (1992) +3 other references
Germany
Rhineland-Palatinate Mayen-Koblenz Vordereifel Ettringen ⓘ Caspar quarry	[Hentschel et al. (5)
Greenland (TL)
Kujalleq Igaliku Narsaarsuk Plateau ⓘ Narssârssuk pegmatite (TL)	Flink (1901) +1 other reference
ⓘ Ilímaussaq complex	Petersen (2001) +1 other reference
Kangerluarsuk Fjord ⓘ Turkestanite-narsarsukite occurrence	Petersen et al. (1999)
Illutalik Island ⓘ Illutalik dyke	Upton et al. (1976)
Sermersooq ⓘ Werner Bjerge Complex	www.koeln.netsurf.de (1999)
Kazakhstan
Abai Region Tarbagatai Range Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts) ⓘ Verkhnee Espe Massif (Verkhnee Espe deposit)	Pavel.M. Kartashov (n.d.)
Mongolia
Khovd Province Myangad District ⓘ Khaldzan Buragtag massif	Pavel.M. Kartashov (n.d.) +1 other reference
Morocco
Souss-Massa Region Taroudant Province Taliouine Cercle Askaouen Caïdat ⓘ Jebel Siroua	Choubert et al. (pontien) +4 other references
Namibia
Khomas Region Windhoek Rural Aris ⓘ Aris Quarries	Robin Tibbit collection (SXRD analysis by Uwe Kolitsch + EDS analysis by Franz Neuhold) +1 other reference
New Zealand
Bay of Plenty Region ⓘ Mayor Island (Tuhua)	...
ⓘ Omapu Bay (Western Bay)	NZJGG
ⓘ Opo Bay (South East Bay)	NZJGG
ⓘ Taratimi Bay (Crater Bay)	NZJGG
Niger
Zinder Gouré ⓘ Gouré Occurrence	Mineralogical Society of America - ...
Mounio Complex ⓘ Goure Ring Structure	Black (1963) +2 other references
Nigeria
Bauchi Shira ⓘ Shira Complex	Bennett et al. (1984) +1 other reference
Norway
Viken Lunner ⓘ Gjerdingselva	Raade et al. (1982)
Portugal
Azores São Miguel ⓘ Água de Pau Volcano	Samples collected by Luigi Chiappino ... +1 other reference
Ribeira Grande ⓘ Pumice quarry
Russia
Aldan Shield Chara and Tokko Rivers Confluence Murunskii Massif ⓘ Kedrovyi alkaline massif	Konev et al. (1996) +1 other reference
Sirenevyi Kamen' Deposit ⓘ Podsnezhnik area (Snowdrop)	Konev et al. (1996)
Murmansk Oblast Khibiny Massif ⓘ Kukisvumchorr Mt	Pekov et al. (2004)
Kirovskii apatite mine ⓘ Hilairitovoye pegmatite	Pekov et al. (2006)
Lovozersky District ⓘ Apuaiv Mountain	Sorokhtina N.V. et al. (2004)
Karnasurt Mountain ⓘ Yubileinaya pegmatite	Pekov (1998) +1 other reference
ⓘ Kitknyun Mountain	Ivanyuk et al. (2006)
ⓘ Selsurt Mountain	[World of Stones 95:5-6 +1 other reference
Turii Cape ⓘ Turii alkaline massif (Turiy massif)	... +1 other reference
USA
Arkansas Hot Spring County Magnet Cove ⓘ Diamond Jo Quarry	Smith (1988)
ⓘ Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry)	Horváth Collection - confirmed visually
Pulaski County Little Rock ⓘ Granite Mountain area	Smith (1988) +1 other reference
ⓘ Big Rock Quarry (3M Quarry; Arch Street Pike Quarry)	Horvath collection visual id.
ⓘ Montana	Graham (1935) +1 other reference
Liberty County ⓘ East Butte	Chris Tucker and John Betts specimens. +1 other reference
Sweet Grass Hills ⓘ Halfbreed Creek	Stewart (1959)
ⓘ Sage Creek	Stewart (1959)
New Mexico Otero County Cornudas Mountains ⓘ Wind Mountain	Dr. W. Stoll (private communication 2001 & 2004)