I11 - Moss Agate, sometimes called "The Gardeners Stone" is an all natural Chalcedony with fronds of branching green inclusions of manganese or iron oxides.

Moss Agate, sometimes called "The Gardeners Stone" is an all natural Chalcedony with fronds of branching green inclusions of manganese or iron oxides.

This is stone #11 in the photo (marked with the brass number).