Mexican Fire Opal Pendant - SOLD 0.928" rockinaboxpaleolithic displaying a beautiful Widmanstätten pattern

displaying a beautiful Widmanstätten pattern

” Lunar and Planetary Science

The jewelry pieces feature the Elrathia kingii trilobite

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Mexican Fire Opal Pendant - SOLD 0.928" rockinaboxpaleolithic displaying a beautiful Widmanstätten patternMexican 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