BST109pr Blue Star Thunderegg Specimen Pair Rectangle a cleansing tool like sage

a cleansing tool like sage or Palo Santo wood

and sprays of the classic feathery shape

It displays tan and brown patterning patterning with black dendrites

with banding

25" in diameter at the base

BST109pr Blue Star Thunderegg Specimen Pair Rectangle a cleansing tool like sageThese polished halves of a large Blue Star Thunderegg show two fused open cavities revealing botryoidal chalcedony formations coated in sparkling druzy, with one half having secondary mineral growth over the small crystals and the other having a small hole from the cavity extending all the way to the edge of the crust. The open cavities are lined with agate showing light blue feathery banding, and have many distinct pointed star points that extend