Septarian Nodules Size:Small This specimen is a swatch

This specimen is a swatch of fabric from a black turtleneck owned by Steve Jobs

4 billion years old

part of the First Edition of the Mini Museum we are proud to offer it once more as a stand-alone item

Uses of Industrial Minerals

or "mini asteroid belts

Septarian Nodules Size:Small This specimen is a swatchThis intriguing mineral concretion is known as a septarian nodule. Within this stone is a unique lighting bolt pattern of internal cracks filled with calcite. Also known to collectors as a "dragon's egg geode," these handheld formations are natural rock patterns that captivate the eye. This specimen is a split pair septarian nodule from Morocco. The concretion halves can be opened to reveal the septarian pattern within. Each specimen is shipped in a