Yttrium-bearing Titanite

Where it forms, where it's found

Type locality: Feldspar Quarry
Buøya
Arendal
Agder
Norway

23recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
39YYttrium Yttrium 1 88.906 88.906
31.20%
8OOxygen Oxygen 5 15.999 79.995
28.07%
22TiTitanium Titanium 1 47.867 47.867
16.80%
20CaCalcium Calcium 1 40.078 40.078
14.07%
14SiSilicon Silicon 1 28.085 28.085
9.86%
Total 284.931 100.00%
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
39YYttrium	Yttrium	1	88.906	88.906	31.20%
8OOxygen	Oxygen	5	15.999	79.995	28.07%
22TiTitanium	Titanium	1	47.867	47.867	16.80%
20CaCalcium	Calcium	1	40.078	40.078	14.07%
14SiSilicon	Silicon	1	28.085	28.085	9.86%
	Total	284.931	100.00%

Synonyms

Alshedit
Alshedita
Alshedite
Yttrian Titanite
Yttrotitanit
Yttrotitanita
Yttrotitanite

Literature, links & citation

Citations

1844Scheerer, Th. (1844) Yttro-Titanit, eine neue Mineralspecies. Annalen der Physik und Chemie, 139. 459-462 doi:10.1002/andp.18441391115DOI: 10.1002/andp.18441391115
1844Erdmann, Axel (1844) Undersökning af et nytt, Ytterjords- och Titansyrehaltigt Mineral från Buö, i trakten af Arendal i Norrige. Kungliga Svenska vetenskapsakademiens handlingar, S. 3 Vol. 32-33. 355-361

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Yttrium-bearing Titanite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/yttrium-bearing-titanite-8058},
  note      = {Accessed 2026-05-11}
}