Mexican Fire Opal Pendant - SOLD 0.828" megalodonnatural This incredible matrix fossil cluster

This incredible matrix fossil cluster contains Permian Period material that is estimated to be 286

It measures 6

6109 (2012): 897-898

such as raptors and the iconic Tyrannosaurus rex

It has high heat conductivity and was used as the main TPS adhesive

Mexican Fire Opal Pendant - SOLD 0.828" megalodonnatural This incredible matrix fossil clusterMexican fire opal is a glassy, sometimes transparent variety of opal best known from Quertaro in the south of the country. Like other opals, the gemstone forms from silica rich water filtering through porous sandstone, depositing the mineral to be heated and pressurized into the beautiful gem. Fire opal is identified by its intense reds, yellows, and oranges and has been valued from the time of the ancient Aztecs to today. This pendant contains a