4.36 ct. Kurnakovite
|Color: Colorless||Clarity: Eye Clean to Slightly Included|
|Origin: Kern Co., California||Cut: Emerald Radiant|
|Treatments: None||Measurements: 13.5 x9mm|
Kurnakovite is a boron mineral and quite unusual as a gem material. It is soft (3 on the Moh's scale) and should be kept in a low humidity environment. Nearly all of these come from deposits in California - this one is very well cut and bright. Difficult to find this nice.
$110 / carat - $479 total