antigorite
/anˈtɪɡərʌɪt
/noun [mass noun]
A mineral of the serpentine group, occurring typically as thin green plates.As seen in the granite, subhedral to anhedral grains of fayalite are fractured and show varying stages of alteration to hematite, antigorite, calcite, and magnetite....
- Dumps and outcrops in the vicinity have produced hand specimens of antigorite, chrysotile, and impressive crystals of grass-green talc with snow-white dolomite.
- The crystal structure of antigorite could not be solved, because of very fine crystal size and many defects.
Origin
Mid 19th century: from Antigorio, a valley in Piedmont, Italy, + -ite1.