Strontium-bearing Apatite

Where it forms, where it's found

9recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
38SrStrontium Strontium 5 87.620 438.100
46.49%
20CaCalcium Calcium 5 40.078 200.390
21.26%
8OOxygen Oxygen 12 15.999 191.988
20.37%
15PPhosphorus Phosphorus 3 30.974 92.922
9.86%
9FFluorine Fluorine 1 18.998 18.998
2.02%
Total 942.398 100.00%
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
38SrStrontium	Strontium	5	87.620	438.100	46.49%
20CaCalcium	Calcium	5	40.078	200.390	21.26%
8OOxygen	Oxygen	12	15.999	191.988	20.37%
15PPhosphorus	Phosphorus	3	30.974	92.922	9.86%
9FFluorine	Fluorine	1	18.998	18.998	2.02%
	Total	942.398	100.00%

Synonyms

Sr-apatite
Strontian Apatite
Strontium Apatite (of Strunz)

Literature, links & citation

Citations

1939Volkova and Melentiev (1939) Comptes rendus de l’académie des sciences de l’U.R.S.S., n.s.: 25: 120.
1984Ishida, K. (1984): Strontium apatite from the Noda-Tamagawa mine, Iwate Prefecture. Ganseki Kobutsu Kosho Gakkaishi 79, 424-429 (in Japanese).
1991Hughes, John M., Cameron, Maryellen, Crowley, Kevin D. (1991) Ordering of divalent cations in the apatite structure: Crystal structure refinements of natural Mn- and Sr-bearing apatite. American Mineralogist, 76 (11-12) 1857-1862
2000Rakovan, J. F.; Hughes, J. M. (2000) Strontium in the apatite structure: strontian fluorapatite and belovite-(Ce). The Canadian Mineralogist, 38 (4). 839-845 doi:10.2113/gscanmin.38.4.839 DOI: 10.2113/gscanmin.38.4.839

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Strontium-bearing Apatite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/strontium-bearing-apatite-9346},
  note      = {Accessed 2026-05-11}
}