2-1/4" Ocean Jasper Skull 22a52ec489a60c821ec4226747aefb1c The pressure of the sediment

The pressure of the sediment eventually causes the sediment around the void to turn into rock

The name is appropriate

depending upon the content of copper it is associated with

Placoderms origin is unknown

2-1/4" Ocean Jasper Skull 22a52ec489a60c821ec4226747aefb1c The pressure of the sedimentJasper is an opaque stone originating from silica rich sediment or volcanic ash. It can occur in any color depending on the mineral content of the original sediment. Beautiful patterns can also occur in jasper. This happens when the original rock forming materials are fractured or distorted in the ground and then are later filled in with other minerals. A specific jasper may be named for its location or may be named imaginatively by describing its