ArtFire

Gary Green Jasper, also known as Larsonite or Petrified Bog Wood.
Rectangle shaped cab, I see a waterfall in this stone.
It is very thick. Size is 23mm X 32mm, all sizes approximate.

Known as Gary Green, Larsonite, and McDermitt Green Jasper. Occurred in a Miocene age formation fossilized imprint of fossilization can be seen in many of the polished slices.
Wood, algae, other swamp vegetation and mud were covered by volcanic ash between and 11 and 14 million years ago. Water carrying minerals seeped in creating the green color while it petrified.

jasper, gary green, larsonite

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