1 Riband agate (also called ribbon agate) - agate with relatively broad bands. 2  Ring agate-agate exhibiting concentric color bands -- cf. 3  eye agate. 4  In addition, however, the term ring agate is frequently used in the marketplace to refer to any agate that is set in any ring (finger, ear, etc.).
Calories in black grapes There are: 3 calories per average black/red/purple grape19-20 calories in 1 oz or 28g of black/red/purple grapes34 calories.
Calories in Grapes. Grapes are fruiting berries that grow on deciduous woody vines of the genus Vitis. They commonly grow in clusters of 15-300 and can be dark blue, black, green, yellow, orange, crimson, pink or white. All of these varieties have evolved from the purple grape.