CHI143jr Chinese Agate, Traditional Mine Argentine Agates Septarian concretions or Septarian nodules

Septarian concretions or Septarian nodules

especially the widely used California white sage

and dark blue agate

the Smithsonian Institution

A critical look at agate formation theories

CHI143jr Chinese Agate, Traditional Mine Argentine Agates Septarian concretions or Septarian nodulesThis is a polished specimen featuring yellow, orange, and red agate and a crystal center. 5. 7 cm x 5. 5 cm 0. 28 lbs Agates from the Traditional Mine generally have a gray exterior with red, yellow, orange, pink, or purple agate interior. A quartz center is also common. These agates make for great carvings and specimens and fetch a high price as a result. The mines have been closed since 2016 and agate collecting has been prohibited, so any rough or