Nakkaalaaqite

Where it forms, where it's found

Type locality: Mount Nakkaalaaq
Ilímaussaq complex
Kujalleq
Greenland
60.9667°, -45.9000°

1recorded occurrences

Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system: Orthorhombic
Space group: Fddd
Cell parameters: a = 13.1029(2) Å · b = 14.2468(2) Å · c = 33.6099(5) Å
Ratio a:b:c: 1 : 1.087 : 2.565
Comment: Structure determined

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 38 15.999 607.962
45.00%
14SiSilicon Silicon 12 28.085 337.020
24.94%
20CaCalcium Calcium 3 40.078 120.234
8.90%
22TiTitanium Titanium 2 47.867 95.734
7.09%
19KPotassium Potassium 2 39.098 78.196
5.79%
11NaSodium Sodium 3 22.990 68.970
5.10%
4BeBeryllium Beryllium 4 9.012 36.048
2.67%
3LiLithium Lithium 1 6.940 6.940
0.51%
Total 1351.104 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From IMA formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	38	15.999	607.962	45.00%
14SiSilicon	Silicon	12	28.085	337.020	24.94%
20CaCalcium	Calcium	3	40.078	120.234	8.90%
22TiTitanium	Titanium	2	47.867	95.734	7.09%
19KPotassium	Potassium	2	39.098	78.196	5.79%
11NaSodium	Sodium	3	22.990	68.970	5.10%
4BeBeryllium	Beryllium	4	9.012	36.048	2.67%
3LiLithium	Lithium	1	6.940	6.940	0.51%
	Total	1351.104	100.00%

Synonyms

IMA2020-059
Nakkaalaaqiet

In other languages

German: IMA 2020-059 · Nakkaalaaqit

Classification

Strunz

10th ed.

9.CJ

9SilicatesClass
9.CCyclosilicatesDivision
9.CJ[Si₆O₁₈]₁₂- 6-membered single rings (sechser-Einfachringe), without insular complex anionsGroup
9.CJNakkaalaaqiteSpecies

Literature, links & citation

Citations

2020Miyawaki, Ritsuro, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2020) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 58. European Journal of Mineralogy, 32 (6) 645-651 doi:10.5194/ejm-32-645-2020 DOI: 10.5194/ejm-32-645-2020
2022(2022) Nakkaalaaqite. Handbook of Mineralogy. Mineralogical Society of America

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Nakkaalaaqite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/nakkaalaaqite-55242},
  note      = {Accessed 2026-05-11}
}