Navajo Sterling Silver Ring with Fire Agate Size 8

Vintage hand made Navajo sterling silver ring set with a fine American fire agate. Ring has simple styling with stamping on the shank. Fire agates are rare stones, a form of chalcedony found in Mexico and the USA. This one has tiny pinfires that are in a crescent shape. Pinfires need bright light or sun to be seen. 

Size 8 an face measures almost 1" long. Weight: 14.1 grams. Marked sterling, 

Here it is moving in the sunlight: