Morganite

Where it forms, where it's found

140recorded occurrences

Source · OpenStreetMap

Safety & handling

Optical

UV response: blue shortwave-excited luminescence excited by SW UV caused by titanate groups (TiO<sub>6</sub>)

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 18 15.999 287.982
53.58%
14SiSilicon Silicon 6 28.085 168.510
31.35%
13AlAluminium Aluminium 2 26.982 53.964
10.04%
4BeBeryllium Beryllium 3 9.012 27.036
5.03%
Total 537.492 100.00%
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	18	15.999	287.982	53.58%
14SiSilicon	Silicon	6	28.085	168.510	31.35%
13AlAluminium	Aluminium	2	26.982	53.964	10.04%
4BeBeryllium	Beryllium	3	9.012	27.036	5.03%
	Total	537.492	100.00%

Synonyms

Cesian Beryl
Morganit
Morganita
Rose Beryl

Literature, links & citation

Citations

1911Kunz, George Frederick (1911), Morganite, a rose-colored beryl: Am. Jour. Sci., 4th. series: 31: 81-82.
2003Hänni, H.A., Krzemnicki, M.S. (2003) Caesium-rich morganite from Afghanistan and Madagascar. The Journal of Gemmology, 28 (7) 417-429 doi:10.15506/jog.2003.28.7.417DOI: 10.15506/jog.2003.28.7.417
2023Vigier, Maxence, Fritsch, Emmanuel, Cavignac, Théo, Latouche, Camille, Jobic, Stéphane (2023) Shortwave UV Blue Luminescence of Some Minerals and Gems Due to Titanate Groups. Minerals, 13 (1) 104 doi:10.3390/min13010104 DOI: 10.3390/min13010104

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Morganite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/morganite-2783},
  note      = {Accessed 2026-05-11}
}