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.
Grapes are a tasty, healthy snack, with about 3 or 4 calories in each grape. But while there are few calories in grapes, you do need to pick them carefully and watch out for pesticides. Read our tips below. Grape Calories Calorie Chart.