Huntingdonite

Where it forms, where it's found

Type locality: Madoc Township
Hastings County
Ontario
Canada

Safety & handling

Crystallography

Crystal system: Triclinic
Space group: #2
Cell parameters: a = 8.3103(3) Å · b = 24.2862(8) Å · c = 25.6118(8) Å
Cell angles: α = 66.945(2) ° · β = 81.566(3) ° · γ = 80.135(3) °
Ratio a:b:c: 1 : 2.922 : 3.082

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
82PbLead Lead 19 207.200 3936.800
48.96%
51SbAntimony Antimony 16 121.760 1948.160
24.23%
16SSulfur Sulfur 51 32.060 1635.060
20.34%
33AsArsenic Arsenic 6 74.922 449.532
5.59%
17ClChlorine Chlorine 2 35.450 70.900
0.88%
Total 8040.452 100.00%
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
82PbLead	Lead	19	207.200	3936.800	48.96%
51SbAntimony	Antimony	16	121.760	1948.160	24.23%
16SSulfur	Sulfur	51	32.060	1635.060	20.34%
33AsArsenic	Arsenic	6	74.922	449.532	5.59%
17ClChlorine	Chlorine	2	35.450	70.900	0.88%
	Total	8040.452	100.00%

Synonyms

Huntingdoniet

In other languages

German: Huntingdonit · IMA 2024-027

Classification

Strunz

10th ed.

2.HC

2Sulfides and SulfosaltsClass
2.HSulfosalts of SnS archetypeDivision
2.HCWith only PbGroup
2.HCHuntingdoniteSpecies

Literature, links & citation

Citations

—Topa, D., Stoeger, B., Keutsch, F., and Stanley, C.: Huntingdonite, IMA 2024-027, in: CNMNC Newsletter 81, Eur. J. Mineral., 36, https://doi.org/10.5194/ejm-36-917-2024, 2024.

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Huntingdonite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/huntingdonite-471419},
  note      = {Accessed 2026-05-11}
}