Dillnite

Al13Si5O20(OH,F)18Cl

Where it forms, where it's found

2recorded occurrences
Source · OpenStreetMap

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen3815.999607.962
40.67%
13AlAluminiumAluminium1326.982350.766
23.47%
9FFluorineFluorine1818.998341.964
22.88%
14SiSiliconSilicon528.085140.425
9.40%
17ClChlorineChlorine135.45035.450
2.37%
1HHydrogenHydrogen181.00818.144
1.21%
Total1494.711100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From Mindat formula

Literature, links & citation

Citations
  1. 1961Konta, J., Mraz, L. (1961) Dillnite and its relation to zunyite. American Mineralogist, 46 (5-6) 629-636
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Dillnite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/dillnite-31315},
  note      = {Accessed 2026-05-11}
}