borocalcite
/bɔˌroʊkælˈsaɪt/Definitions
1. noun
A rare mineral consisting of a borate and carbonate of calcium.
“The geologist discovered a rare specimen of borocalcite in the ancient mine.”
2. adjective
Relating to or characterized by a mixture of borate and carbonate minerals.
“The borocalcite deposits were found in a unique geological formation.”