|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Dakota > Calcite var. Septarian Nodule|
|Mineral:||Calcite var. Septarian Nodule|
|Description:||Half of a hollow geode lined with yellow calcite crystals that fluoresce under UV illumination. This formation is known as a Septarian Nodule. The irregular shape was caused by shrinkage fractures that were crystallized with the calcite.|
|Overall Size:||16x16x8 cm|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from Midwest, USA > Calcite Specimens|
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