Septarian Dragon Egg Stone Large pyrite crystal All of our copper pieces

All of our copper pieces are from Northern Michigan

The unique blue coloration is caused by a copper substitution for calcium with white patterns or streaks

crystalline silicate

and 3 inches in width

Aventurine is a variety of quartz

Septarian Dragon Egg Stone Large pyrite crystal All of our copper piecesSeptarian Dragon Eggs are septarian nodules that have been carved and polished into an palm stone 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. Dimensions: 3. 75 L x 3. 75 W x 5. 75 H inches Weight: 3. 72 pounds