Jamborite

Last updated
Jamborite
General
Category Minerals
Formula Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O
IMA symbol Jbr
Crystal system Hexagonal
Identification
ColorGreen
Cleavage Perfect
Specific gravity 2.67
Density 2.67 g/cm3
Optical propertiesUniaxial (−)
Refractive index nω = 1.607 nε = 1.602
Birefringence 0.0050
References [1]

Jamborite is a hexagonal-trigonal, green, mineral consisting of nickel, cobalt, hydroxides and sulphur. Its discovery was first published in 1973. [2]

Contents

Etymology

It is named after John Leslie Jambor, a Canadian geologist. [2]

Properties

It has a lamellar structure, superficially resembling grass. [3]

It was formerly believed to be in the hydrotalcite supergroup, but was later disproved. [4]

Distribution

This mineral has been found in the Northern Apennines of Italy, Spain and Wales. [5] [6]

Media appearances

It is featured in the Stardew Valley video game as a minor item obtained from geodes.

See also

References

  1. ↑ "General Jamborite Information".
  2. 1 2 Morandi, N.; Dalrio, G. (1973-10-01). "Jamborite: A New Nickel Hydroxide Mineral From the Northern Apennines, Italy". American Mineralogist. 58 (9–10): 835–839. ISSN   0003-004X.
  3. ↑ "Jamborite". www.mindat.org. Retrieved 2025-04-27.
  4. ↑ Bindi, Luca; Christy, Andrew G.; Mills, Stuart J.; Ciriotti, Marco E.; Bittarello, Erica (September 2015). "New Compositional and Structural Data Validate the Status of Jamborite". The Canadian Mineralogist. 53 (5): 791–802. Bibcode:2015CaMin..53..791B. doi:10.3749/canmin.1400050. hdl: 1885/152280 . ISSN   0008-4476.
  5. ↑ "Mineral Database". Museum Wales (in Welsh). Retrieved 2025-04-27.
  6. ↑ "Jamborite - RRUFF Database: Raman, X-ray, Infrared, and Chemistry". rruff.info. Retrieved 2025-04-27.


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