A dark green aluminous variety of amphibole, or hornblende.
Webster 1828 Edition
Pargasite
P`ARGASITE
,
Noun.
[from the isle Pargas, in Finland.] A mineral of a grayish or bluish green, in rounded grains, with a dull, dun surface, rarely bright; or in crystals in carbonate of lime, in little plates mixed with lamellar mica; a variety of actinolite.