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

54" phytosaur fossil scute uncovered from the Redonda formation in New Mexico

now we're helping build personal wardrobes too

707" Devonian Period trilobite fossil

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