Carnelian Sterling Silver Earrings Size:0.6"L x 0.3"W x 0.1"T with its characteristic blue-to-teal color

with its characteristic blue-to-teal color from copper in the structure

The interior shows the druzy quartz growth characteristic of geodes from the Paraná volcanic province of southern Brazil and Uruguay—quartz deposited in layers inside an ancient basaltic vesicle over millions of years

and the mining districts of southern Illinois

hornblende

Dozens of tiny faceted beads

Carnelian Sterling Silver Earrings Size:0.6"L x 0.3"W x 0.1"T with its characteristic blue-to-teal colorWarm orange chalcedony in a setting that moves at the ear. Carnelian is cryptocrystalline quartzsilicon dioxide built up in microscopic fiberscolored by iron oxide dispersed through its structure. The result is a semi translucent orange that varies from soft peach to deep amber red depending on iron concentration. These oval cabochons are set in solid . 925 sterling silver. Mohs 6. 57; durable enough for daily wear. Carnelian is one of the longest