Knoxvillite

Where it forms, where it's found

1recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 46 15.999 735.954
60.41%
26FeIron Iron 4 55.845 223.380
18.33%
16SSulfur Sulfur 6 32.060 192.360
15.79%
1HHydrogen Hydrogen 42 1.008 42.336
3.47%
12MgMagnesium Magnesium 1 24.305 24.305
2.00%
Total 1218.335 100.00%
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	46	15.999	735.954	60.41%
26FeIron	Iron	4	55.845	223.380	18.33%
16SSulfur	Sulfur	6	32.060	192.360	15.79%
1HHydrogen	Hydrogen	42	1.008	42.336	3.47%
12MgMagnesium	Magnesium	1	24.305	24.305	2.00%
	Total	1218.335	100.00%

Synonyms

Knoxvillit
Knoxvillita

Literature, links & citation

Citations

1888Becker (1888) USGS Monograph XIII: 279.
1890Melville, William Harlow; Lindgren, Waldemar (1890) Contributions to the mineralogy of the Pacific coast. Bulletin 61. US Geological Survey 41 pp. doi:10.3133/b61 DOI: 10.3133/b61
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.
1966Murdoch, J. and Webb, R.W. (1966), Minerals of California Centennial Volume (1866-1966), Bulletin 189, California Division of Mines and Geology, 1966.

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Knoxvillite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/knoxvillite-9302},
  note      = {Accessed 2026-05-11}
}