Natural cobalt calcite sphere – exceptionally rare color variation- 512.63 g #512 #calcite #cobalt #color #exceptionally #rare #sphere #variation
No Reserve – Superb 36.5 ct Bluebird Chrysocolla Azurite with Cobalt Blue Patterning in a Gold-Filled Pendant- 11.04 g #azurite #blue #bluebird #chrysocolla #cobalt #patterning #reserve #superb
