4.263cts Unheated Tanzania Cobalt Spinel Oval Cut
Type: Cobalt SpinelShape: Oval
Carat Weight: 4.263
Color: Blue
Clarity: Eye Clean
Origin: Tanzania
Cut: Multifacet
Saturation: Vivid
Treatment: No Heat (NH)
Dimensions: 10.58 x 8.51 x 6.61mm
SKU: C12360
Cobalt Spinels are considered the most rare and precious variety of Spinels due to the presence of the chemical element cobalt. This gemstone comes in striking vivid to neon blue color saturations. The most iconic cobalt spinels come from Vietnam and Tanzania.
