Definitions for "Moss Agate"
not an agate, strictly speaking, but a chalcedony. Semi-transparent to opaque, mostly a variety of green tones with a little white or clear.
an agate with brown, black, or green moss-like markings
Glass created to imitate the appearance of the stone called “moss agate”: pulverized glass in shades of green, yellow, blue, orange, and purple are strewn on a clear glass base and pulled with a pointed hook to blend and streak colors.