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.
Sure, grapes are relatively low in calories. One full cup, which is about 30 grapes, has fewer than 105 calories. The issue is, however, that grapes are easy to pop in your mouth. If you sit down with a bag of grapes and turn on the TV -- before you know it -- you could eat most of the bag.