Daphnite

Where it forms, where it's found

30recorded occurrences

Source · OpenStreetMap

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
8OOxygen Oxygen 18 15.999 287.982
30.51%
26FeIron Iron 5 55.845 279.225
29.58%
13AlAluminium Aluminium 5 26.982 134.910
14.29%
12MgMagnesium Magnesium 5 24.305 121.525
12.87%
14SiSilicon Silicon 4 28.085 112.340
11.90%
1HHydrogen Hydrogen 8 1.008 8.064
0.85%
Total 944.046 100.00%
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	18	15.999	287.982	30.51%
26FeIron	Iron	5	55.845	279.225	29.58%
13AlAluminium	Aluminium	5	26.982	134.910	14.29%
12MgMagnesium	Magnesium	5	24.305	121.525	12.87%
14SiSilicon	Silicon	4	28.085	112.340	11.90%
1HHydrogen	Hydrogen	8	1.008	8.064	0.85%
	Total	944.046	100.00%

Synonyms

Daphnit
Daphnita

Literature, links & citation

Citations

1939Hallimond, A. F. (1939) On the relation of chamosite and daphnite to the chlorite group. Mineralogical Magazine and Journal of the Mineralogical Society, 25 (167). 441-465 doi:10.1180/minmag.1939.025.167.02 DOI: 10.1180/minmag.1939.025.167.02
1954Hey, Max H. (1954) A new review of the chlorites. Mineralogical Magazine and Journal of the Mineralogical Society, 30 (224) 277-292 doi:10.1180/minmag.1954.030.224.01 DOI: 10.1180/minmag.1954.030.224.01

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Daphnite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/daphnite-1223},
  note      = {Accessed 2026-05-11}
}