Cyrtolite

Where it forms, where it's found

132recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 8 15.999 127.992
50.93%
40ZrZirconium Zirconium 1 91.224 91.224
36.30%
14SiSilicon Silicon 1 28.085 28.085
11.17%
1HHydrogen Hydrogen 4 1.008 4.032
1.60%
Total 251.333 100.00%
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	8	15.999	127.992	50.93%
40ZrZirconium	Zirconium	1	91.224	91.224	36.30%
14SiSilicon	Silicon	1	28.085	28.085	11.17%
1HHydrogen	Hydrogen	4	1.008	4.032	1.60%
	Total	251.333	100.00%

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Cyrtolite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/cyrtolite-7493},
  note      = {Accessed 2026-05-11}
}