A ranar 13 ga Yuli, 2021, mashahuran masana ilimin ƙasa Manas Banerjee da Richard Capeta tare da tawagarsu sun gano wani ɗanyen Emerald mai nauyin carat 7,525 a mahakar ma'adinan Kagem da ke Zambiya kuma suka sanya masa suna Chipenbel Emerald, ma'ana " karkanda."
An kuma samu ginshikin zaki mai girman carat emeralds mai girman carat 5,655 da emeralds na giwa mai girman carat 6,225 a cikin mahakar ma'adinan.Kuma waɗannan duwatsu masu kauri guda uku sune manyan Emeralds masu inganci guda uku a cikin ma'adinan.
Lokacin aikawa: Afrilu-19-2022