Copper-bearing Halloysite

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 9 15.999 143.991
37.37%
29CuCopper Copper 2 63.546 127.092
32.99%
14SiSilicon Silicon 2 28.085 56.170
14.58%
13AlAluminium Aluminium 2 26.982 53.964
14.01%
1HHydrogen Hydrogen 4 1.008 4.032
1.05%
Total 385.249 100.00%
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	9	15.999	143.991	37.37%
29CuCopper	Copper	2	63.546	127.092	32.99%
14SiSilicon	Silicon	2	28.085	56.170	14.58%
13AlAluminium	Aluminium	2	26.982	53.964	14.01%
1HHydrogen	Hydrogen	4	1.008	4.032	1.05%
	Total	385.249	100.00%

Synonyms

Cuprian Halloysite

Literature, links & citation

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Copper-bearing Halloysite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/copper-bearing-halloysite-26743},
  note      = {Accessed 2026-05-11}
}