The Finger Lakes lost one of its most prominent grape growers on Sunday night when Sam Argetsinger died at his home. Argetsinger is the owner of his eponymous vineyard, which rises high above the southeast side of Seneca Lake. “We’re still in shock,” said Morten Hallgren, co-owner of Ravines Wine Cellars, which uses Argetsinger Vineyard fruit to make some of the finest wines in the region. “Sam was a loyal friend, a passionate grape grower, and an Iroquois translator who was so in touch with his environment that you could see it in his fiery blue eyes. A friend like…