Emerald ke motsoako oa liminerale o kopantsoeng le aluminium silicate le beryllium. Colombia e nkoa e le sebaka sa tsoalo ea liemahale tsa boleng bo phahameng ka ho fetisisa. Majoe a manyenyane a boetse a rafshoa Zambia, Brazil, Madagascar, Pakistan, India, Afghanistan le Russia. Mabenyane a emeralde a khothalletsa bokhabane, bohlale le bohlale.
'Marakeng oa machaba, li-emerald tse tsoang Brazil le Zambia li nkoa e le tsa bohlokoa ka ho fetisisa joaloka emerald ea Colombia. Emerald ke lejoe le halalelang le amanang le polanete ea Mercury 'me ke khale le nkoa e le letšoao la tšepo. Ho lumeloa hore emeralde ka ho fetisisa e bonahatsa thepa ea eona nakong ea selemo. Li-Emerald li tla thusa haholo bangoli, bo-ralipolotiki, baruti, libini, batho ba phahameng sechabeng, baahloli, basebeletsi ba sechaba, litsebi tsa meralo, bo-ralibanka le bo-ramatsete.