Septarian Nodule, also referred to as Dragon Stone, is a tri color concretion composed of Aragonite (the brown), Calcite, (the yellow), and Limestone (the grey). The name comes from the word “Septaria”, which usually refers to any concretion with internal cavities or cracks. This unique mineral was formed around 50 to 70 million years ago during Earth’s Cretaceous Period.
Septarian Nodules are rocks that have been preserved for millions of years. They are a special type of rock that contain intricate patterns and beautiful colors. You can use them as conversation pieces in your home, or as learning tools with children.
Material: Septarian Calcite (Dragon Egg)
Height:125.9 mm (4.9 inches
Width: 103.7 mm (4 inches)
Weight: 1,369.25 g (2.14lb)
You are purchasing the exact item in the picture. This Septarian Calcite Crystal is a self standing freeform. This is a high quality piece and it showcases beautiful colors; yellow (Calcite), brown (Aragonite), and gray (limestone) colors. These crystals are also known as a dragons stone or dragons egg. This tri-color stone was formed approximately 50 to 70 millions years ago. Most Septarian Nodules are found in Utah and Madagascar.