Barleycorn

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 3 15.999 47.997
47.96%
20CaCalcium Calcium 1 40.078 40.078
40.04%
6CCarbon Carbon 1 12.011 12.011
12.00%
Total 100.086 100.00%
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	3	15.999	47.997	47.96%
20CaCalcium	Calcium	1	40.078	40.078	40.04%
6CCarbon	Carbon	1	12.011	12.011	12.00%
	Total	100.086	100.00%

Synonyms

Gerstenkörner

Literature, links & citation

Citations

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     = {Barleycorn — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/barleycorn-30453},
  note      = {Accessed 2026-05-11}
}