Black Agate Tumbled Stone Black Agate citric) and the differences in

citric) and the differences in botanical heritage (sage genus

The two together carry an older register - slower

chosen for its form

different format

Black Agate Tumbled Stone Black Agate citric) and the differences inBlack agate small tumble polished stones of deep black chalcedony, some crossed by fine grey white banding, filled layer by layer in a volcanic cavity. Smooth in the hand, sold in a small set. From India. Agate fills a cavity in volcanic rock layer by layer, each band of silica laid on the one before; black agate reads as deep black, some stones crossed by fine parallel grey and white, no two the same. It is the banded cousin of onyx. Agate is named