Mexican Fire Opal Pendant - SOLD 0.928" rockinaboxpaleolithic it is a Nickel/Iron alloy

it is a Nickel/Iron alloy so it is susceptible to rust should the coating wear off

HUMAN BRAIN

The jewelry pieces feature the Elrathia kingii trilobite

while wearing this 1:10 scale version of the famous golden record cover that is mounted on the Voyager spacecrafts

displaying a beautiful Widmanstätten pattern

Mexican Fire Opal Pendant - SOLD 0.928" rockinaboxpaleolithic it is a Nickel/Iron alloyMexican 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