Saranchinaite

Na2Cu(SO4)2
IMA status
  • Approved
IMA symbol
Src
IMA approved
2015
Also known as
  • IMA2015-019
  • Saranchinaiet

Where it forms, where it's found

Type locality
Naboko cinder cone
  1. Great Fissure eruption (Main Fracture)
  2. Tolbachik Volcanic field
  3. Milkovsky District
  4. Kamchatka Krai
  5. Russia

55.7683°, 160.3164°

2recorded occurrences
Source · OpenStreetMap

Crystallography

Crystal system
Monoclinic
Space group
P21
Cell parameters
a = 9.0109(5) Å · b = 15.6355(8) Å · c = 10.1507(5) Å
Cell angles
β = 107.08(1) °
Ratio a:b:c
1 : 1.735 : 1.126
Unit cell volume
1367.06 ų
Z
8

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
8OOxygenOxygen815.999127.992
42.43%
16SSulfurSulfur232.06064.120
21.26%
29CuCopperCopper163.54663.546
21.07%
11NaSodiumSodium222.99045.980
15.24%
Total301.638100.00%

Mass share = atoms × atomic mass ÷ molar mass × 100

From IMA formula

Synonyms

  • IMA2015-019
  • Saranchinaiet

In other languages

German
IMA 2015-019 · Saranchinait

Classification

Strunz
10th ed.

7.AC.45

  • 7SulfatesClass
  • 7.ASulfates (selenates, etc.) without additional anions, without H2ODivision
  • 7.ACWith medium-sized and large cationsGroup
  • 7.AC.45SaranchinaiteSpecies

Literature, links & citation

Citations
  1. 2015Hålenius, U., Hatert, F., Pasero, M., Mills, S. J. (2015) New minerals and nomenclature modifications approved in 2015, CNMNC Newsletter 26. Mineralogical Magazine, 79 (4) 941-947 doi:10.1180/minmag.2015.079.4.05DOI: 10.1180/minmag.2015.079.4.05
  2. 2018Siidra, Oleg I., Lukina, Evgeniya A., Nazarchuk, Evgeniy V., Depmeier, Wulf, Bubnova, Rimma S., Agakhanov, Atali A., Avdontseva, Evgeniya Yu., Filatov, Stanislav K., Kovrugin, Vadim M. (2018) Saranchinaite, Na2Cu(SO4)2, a new exhalative mineral from Tolbachik volcano, Kamchatka, Russia, and a product of the reversible dehydration of kröhnkite, Na2Cu(SO4)2(H2O)2. Mineralogical Magazine, 82 (2). doi:10.1180/minmag.2017.081.037 DOI: 10.1180/minmag.2017.081.037
  3. 2021(2021) Saranchinaite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Saranchinaite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/saranchinaite-46677},
  note      = {Accessed 2026-05-11}
}