Jamborite
Hexagonal mineral
From Wikipedia, the free encyclopedia
Jamborite is a hexagonal-trigonal, green, mineral consisting of nickel, cobalt, hydroxides and sulphur. Its discovery was first published in 1973.[2]
| Jamborite | |
|---|---|
| General | |
| Category | Minerals |
| Formula | Ni2+1-xCo3+x(OH)2-x(SO4)x · nH2O |
| IMA symbol | Jbr |
| Crystal system | Hexagonal |
| Identification | |
| Color | Green |
| Cleavage | Perfect |
| Specific gravity | 2.67 |
| Density | 2.67 g/cm3 |
| Optical properties | Uniaxial (−) |
| Refractive index | nω = 1.607 nε = 1.602 |
| Birefringence | 0.0050 |
| References | [1] |
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.
