Mexican Fire Opal Pendant - SOLD 0.828" megalodonnatural 6109 (2012): 897-898

6109 (2012): 897-898

along with the official Mini Museum seal of authenticity

such as raptors and the iconic Tyrannosaurus rex

bundled by custom cable bands

938" fossil Ginkgo cranei leaf from the Sentinel Butte Formation in North Dakota

Mexican Fire Opal Pendant - SOLD 0.828" megalodonnatural 6109 (2012): 897-898Mexican 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