batrachite
/bætrəˈkaɪt/Definitions
1. noun
A green mineral, a hydrated copper carbonate, Cu3(CO3)2(OH)2.
“The geologist studied the formation of the batrachite deposits in the ancient quarry.”
2. noun
A pigment derived from a green mineral, especially one containing copper.
“The artist mixed batrachite with other colors to create a unique shade for her painting.”