Escheite

Where it forms, where it's found

Type locality: Aris Quarries
Aris
Windhoek Rural
Khomas Region
Namibia
-22.7686°, 17.1311°

1recorded occurrences

Source · OpenStreetMap

Crystallography

Crystal system: Orthorhombic
Space group: Ama2
Cell parameters: a = 14.2465(2) Å · b = 22.9871(2) Å · c = 13.7304(2) Å
Ratio a:b:c: 1 : 1.614 : 0.964
Comment: <em>Bbm</em>2 orientation relative to standard setting; ba-c

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 51 15.999 815.949
51.72%
14SiSilicon Silicon 12 28.085 337.020
21.36%
22TiTitanium Titanium 5 47.867 239.335
15.17%
20CaCalcium Calcium 2 40.078 80.156
5.08%
25MnManganese Manganese 1 54.938 54.938
3.48%
1HHydrogen Hydrogen 27 1.008 27.216
1.73%
11NaSodium Sodium 1 22.990 22.990
1.46%
Total 1577.604 100.00%
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	51	15.999	815.949	51.72%
14SiSilicon	Silicon	12	28.085	337.020	21.36%
22TiTitanium	Titanium	5	47.867	239.335	15.17%
20CaCalcium	Calcium	2	40.078	80.156	5.08%
25MnManganese	Manganese	1	54.938	54.938	3.48%
1HHydrogen	Hydrogen	27	1.008	27.216	1.73%
11NaSodium	Sodium	1	22.990	22.990	1.46%
	Total	1577.604	100.00%

Synonyms

Escheiet
IMA2018-099

In other languages

German: Escheit · IMA 2018-099

Classification

Strunz

10th ed.

9.DG.32

9SilicatesClass
9.DInosilicatesDivision
9.DGInosilicates with 3-periodic single and multiple chainsGroup
9.DG.32EscheiteSpecies

Group, growth & confusion

3 members

Literature, links & citation

Citations

2018Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 46. European Journal of Mineralogy, 30 (6) 1181-1189 doi:10.1127/ejm/2018/0030-2819DOI: 10.1127/ejm/2018/0030-2819
2020Blaß, G., Kruijen, F., Tremmel, G. (2020) Neue Minerale und interessante Mineralfunde aus den Phonolith-Steinbrüchen in Aris, Namibia. Mineralien-Welt, 31 (3). 36-48
2022(2022) Escheite. Handbook of Mineralogy. Mineralogical Society of America

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Escheite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/escheite-53222},
  note      = {Accessed 2026-05-11}
}