your online source for gems, minerals, jewelry and more
Opal Limb Cast of Fir Cone
The upper photo links
to a movie of this cone. (974kb) The thumbnails
can be enlarged by clicking on them.
click the photo above
to view a movie of this cone
click on one of the thumb nails to see it
enlarged
This specimen is a common opal (potch) limb cast; while it has a nice base color there is no play of color.
It is a terrific example of total replacement by opal after wood.