noun Mineralogy.
- a member of the chlorite group, rhombohedral in habit.
pl n
- a system of hills in England, extending from the Cheviot Hills in the north to the River Trent in the south: forms the watershed for the main rivers of N England. Highest peak: Cross Fell, 893 m (2930 ft)Also called: the Pennine Chain
noun
- a bluish-green variety of chlorite occurring in the form of thick crystals