Utah Septarian Freeform green aventurine These pieces have been carved

These pieces have been carved and polished into a T-Rex dinosaur

The purplish color is not due to the lithium

Polychrome Jasper (Desert Jasper) is a colorful variety of chalcedony that forms through volcanic activity and hydrothermal alterations

It is characterized by its pink orthoclase feldspar

These nodules start out as a ball of mud

Utah Septarian Freeform green aventurine These pieces have been carvedSeptarian nodules that have been carved and polished into a skull shape. The natural cracked pattern gives a unique dragon skin look. These nodules start out as a ball of mud, when the mud dries out and cracks, minerals (primarily calcite and aragonite) fill in the cracks. Septarian nodule from Utah carved and polished into a freeform shape that stands upright. You will receive the exact piece as pictured. Dimensions: 3. 0 L x 3. 0 W x 3. 75 H inches