noun
: a group of isomorphous minerals consisting of olivine, chondrodite, humite, and clinohumite and closely resembling one another in chemical composition, physical properties, and crystallization
noun
: a group of isomorphous minerals consisting of olivine, chondrodite, humite, and clinohumite and closely resembling one another in chemical composition, physical properties, and crystallization
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012