BOC00247 
BOC00247

Shape		Freeform
Category		Boulder Opal
Description		I would say this may well be a piece of petrified wood ( No Guarantee though) The opal has filled the voids to make an interesting piece of stone.It has formed into boulder opal matrix.
Weight:		21.3ct
Dimensions:		36mm x 18mm
Thickness:		5mm
Mined From:		Unknown Queensland