Aluminium-bearing Strengite

Where it forms, where it's found

3recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 6 15.999 95.994
44.89%
26FeIron Iron 1 55.845 55.845
26.12%
15PPhosphorus Phosphorus 1 30.974 30.974
14.48%
13AlAluminium Aluminium 1 26.982 26.982
12.62%
1HHydrogen Hydrogen 4 1.008 4.032
1.89%
Total 213.827 100.00%
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	6	15.999	95.994	44.89%
26FeIron	Iron	1	55.845	55.845	26.12%
15PPhosphorus	Phosphorus	1	30.974	30.974	14.48%
13AlAluminium	Aluminium	1	26.982	26.982	12.62%
1HHydrogen	Hydrogen	4	1.008	4.032	1.89%
	Total	213.827	100.00%

Synonyms

Aluminian Strengite

Literature, links & citation

Citations

1867Zepharovich (1867) Königliche Akademie der Wissenschaften, Vienna, Sitzber.: 66: 22. (includes Bořický analysis)
1923Shannon, Earl V. (1923) Barrandite from Manhattan, Nevada. American Mineralogist, 8 (10) 182-183
1951Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Aluminium-bearing Strengite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/aluminium-bearing-strengite-31969},
  note      = {Accessed 2026-05-11}
}