Parádsasvárite

Zn2(CO3)(OH)2
IMA status
  • Approved
IMA symbol
Psv
IMA approved
2012
Also known as
  • IMA2012-077
  • Parádsasváriet

Where it forms, where it's found

Geological setting

alteration product of sphalerite and chalcopyrite in a carbonate-rich environment.

Type locality
Nagy-Lápafő area
  1. Parádsasvár
  2. Pétervására District
  3. Heves County
  4. Hungary

47.9167°, 19.9831°

6recorded occurrences
Source · OpenStreetMap

Physical

Hardness
123456789102 – 3/ 10 MOHS
  1. 1Talc
  2. 2Gypsum
  3. 3Calcite
  4. 4Fluorite
  5. 5Apatite
  6. 6Orthoclase
  7. 7Quartz
  8. 8Topaz
  9. 9Corundum
  10. 10Diamond
Transparency
Translucent
Streak
white
Tenacity
brittle
Cleavage
None Observed
Fracture
Fibrous

Crystallography

Crystal system
Monoclinic
Space group
P21/a
Cell parameters
a = 12.92 Å · b = 9.372 Å · c = 3.159 Å
Cell angles
β = 110.4 °
Ratio a:b:c
1 : 0.725 : 0.245
Z
4
Type-locality form

globular aggregates up to 0.2 mm in diameter on calcite

Comment

Perchiazzia et al. (2017) give (note different setting, with smaller beta): P21/a, a 12.253(4) Å, b 9.348(3) Å, c 3.167(1) Å, β = 97.700(4)°,

Chemical composition

Constituent elements
Mass composition breakdown
ElementAtoms At. mass g/mol Mass g/molMass share
30ZnZincZinc265.380130.760
58.17%
8OOxygenOxygen515.99979.995
35.59%
6CCarbonCarbon112.01112.011
5.34%
1HHydrogenHydrogen21.0082.016
0.90%
Total224.782100.00%

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

From IMA formula

Synonyms

  • IMA2012-077
  • Parádsasváriet

In other languages

German
IMA 2012-077 · Parádsasvárit
Italian
parádsasvárite

Classification

Strunz
10th ed.

5.BA.10

  • 5CarbonatesClass
  • 5.BCarbonates with additional anions, without H2ODivision
  • 5.BAWith Cu, Co, Ni, Zn, Mg, MnGroup
  • 5.BA.10ParádsasváriteSpecies

Group, growth & confusion

In the same group
10 members

Literature, links & citation

Citations
  1. 2013Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2013) IMA Commission on New Minerals, Nomenclature and Classification. CNMNC Newsletter No. 15. Mineralogical Magazine, 77 (1) 1-12 doi:10.1180/minmag.2013.077.1.01DOI: 10.1180/minmag.2013.077.1.01
  2. 2015Fehér, Béla, Szakáll, Sándor, Zajzon, Norbert, Mihály, Judith (2015) Parádsasvárite, a new member of the malachite-rosasite group from Parádsasvár, Mátra Mountains, Hungary. Mineralogy and Petrology, 109 (4) 405-411 doi:10.1007/s00710-015-0370-x DOI: 10.1007/s00710-015-0370-x
  3. 2017Perchiazzi, Natale, Demitri, Nicola, Fehér, Béla, Vignola, Pietro (2017) On the Crystal-Chemistry of Rosasite and Parádsasvárite. The Canadian Mineralogist, 55 (6) 1027-1040 doi:10.3749/canmin.1700041DOI: 10.3749/canmin.1700041
  4. 2022(2022) Parádsasvárite. Handbook of Mineralogy. Mineralogical Society of America
Cite this entry
@misc{mineral2026,
  author    = {Mineral Index editorial board},
  title     = {Parádsasvárite — Mineral Index},
  year      = {2026},
  url       = {https://mineralindex.org/minerals/paradsasvarite-43597},
  note      = {Accessed 2026-05-11}
}