Marble collector, Richard Maxwell, shares basic clues for new marble collectors.
The Moss Agate – In between the clear glass marbles we call “Transparent” and the solid marbles, we call “Opaque” are the Translucents-light makes them glow but you can’t see through the glass. The Moss Agate is my favorite example. This one has a patch covering up to half of the greenish-brownish translucent base. Get out your black light; it will fluoresce!