Perchukite-(Y)

Where it forms, where it's found

Type locality: Dara-i-Pioz Massif
Districts of Republican Subordination
Tajikistan
39.4504°, 70.7163°

1recorded occurrences

Source · OpenStreetMap

Safety & handling

Crystallography

Crystal system: Monoclinic
Space group: C2/c
Cell parameters: a = 18.649(1) Å · b = 7.5535(4) Å · c = 10.4632(6) Å
Cell angles: β = 106.306(7) °
Ratio a:b:c: 1 : 0.405 : 0.561

Chemical composition

Constituent elements: Mass composition breakdown
Element Atoms At. mass g/mol Mass g/mol Mass share
82PbLead Lead 1 207.200 207.200
37.32%
8OOxygen Oxygen 8 15.999 127.992
23.05%
39YYttrium Yttrium 1 88.906 88.906
16.01%
33AsArsenic Arsenic 1 74.922 74.922
13.50%
14SiSilicon Silicon 2 28.085 56.170
10.12%
Total 555.190 100.00%
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	1	207.200	207.200	37.32%
8OOxygen	Oxygen	8	15.999	127.992	23.05%
39YYttrium	Yttrium	1	88.906	88.906	16.01%
33AsArsenic	Arsenic	1	74.922	74.922	13.50%
14SiSilicon	Silicon	2	28.085	56.170	10.12%
	Total	555.190	100.00%

Synonyms

IMA2025-060
Perchukiet-(Y)

In other languages

German: IMA 2025-060 · Perchukit-(Y)

Classification

Strunz

10th ed.

9.FB

9SilicatesClass
9.FTektosilicates without zeolitic H₂ODivision
9.FBTektosilicates with additional anionsGroup
9.FBPerchukite-(Y)Species

Literature, links & citation

Citations

2025Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2025) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 88. Mineralogical Magazine, 89. 1-11 doi:10.1180/mgm.2025.10183DOI: 10.1180/mgm.2025.10183

Cite this entry

@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Perchukite-(Y) — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/perchukite-y-498770},
  note      = {Accessed 2026-05-11}
}