Colerainite

Where it forms, where it's found

5recorded occurrences

Source · OpenStreetMap

Physical

Lustre: Vitreous · Dull

Crystallography

Crystal system: Hexagonal

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 16 15.999 255.984
54.07%
12MgMagnesium Magnesium 4 24.305 97.220
20.54%
14SiSilicon Silicon 2 28.085 56.170
11.86%
13AlAluminium Aluminium 2 26.982 53.964
11.40%
1HHydrogen Hydrogen 10 1.008 10.080
2.13%
Total 473.418 100.00%
Mass share = atoms × atomic mass ÷ molar mass × 100
From Mindat formula

Mass composition breakdown
Element	Atoms	At. mass g/mol	Mass g/mol	Mass share
8OOxygen	Oxygen	16	15.999	255.984	54.07%
12MgMagnesium	Magnesium	4	24.305	97.220	20.54%
14SiSilicon	Silicon	2	28.085	56.170	11.86%
13AlAluminium	Aluminium	2	26.982	53.964	11.40%
1HHydrogen	Hydrogen	10	1.008	10.080	2.13%
	Total	473.418	100.00%

Synonyms

Colerainit
Colerainita

Literature, links & citation

Citations

—Min Mag 18, p.376-; 20, p.287-

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Colerainite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/colerainite-6888},
  note      = {Accessed 2026-05-11}
}