Peruvian Blue Opal Pendant - SOLD 1.157" paleolithic These shells appear in the

These shells appear in the fossil record as far back as 550 million-years

these two dinosaurs came head to head—an iconically-armored herbivore and a terrifying apex predator facing off in battle

John Uri of the NASA Johnson Space Center posted this touching retrospective of the crew from STS-51L on the 35th anniversary of the disaster

As noted above

Peruvian Blue Opal Pendant - SOLD 1.157" paleolithic These shells appear in theAndean blue opal is a translucent form of the gemstone, often infused with dark brown or black dendritic crystals across its surface. 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. This pendant contains a polished 1. 157" gem of Andean blue opal from Peru set into a sterling silver prong. It comes with an 18" silver chain in a