Beta-Willemite

Where it forms, where it's found

1recorded occurrences

Source · OpenStreetMap

Optical

UV response: Golden-yellow (LW & SW UV).

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
30ZnZinc Zinc 2 65.380 130.760
58.68%
8OOxygen Oxygen 4 15.999 63.996
28.72%
14SiSilicon Silicon 1 28.085 28.085
12.60%
Total 222.841 100.00%
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
30ZnZinc	Zinc	2	65.380	130.760	58.68%
8OOxygen	Oxygen	4	15.999	63.996	28.72%
14SiSilicon	Silicon	1	28.085	28.085	12.60%
	Total	222.841	100.00%

Literature, links & citation

Citations

1923Arthur Schleede and Arno Gruhl (1923) Über röntgenographische Beobachtungen an Luminescenzfähigen Zinksilikat, Deutsche Bunsen-Gesellschaft für Angewandte Physikalische Chemie; journal later incorporated as Zeitschrift für Elektrochemie und angewandte physikalische Chemie, v. 29, p. 41-412.
1962Taylor, H. F. W. (1962) The dehydration of hemimorphite. American Mineralogist, 47 (7-8) 932-944

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Beta-Willemite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/beta-willemite-26781},
  note      = {Accessed 2026-05-11}
}