8" Septarian Slab DS2235 atlantisite 8" Double Terminated Colombian Lemurian

8" Double Terminated Colombian Lemurian

It has been theorized that this particular variety of quartz gets its unique luster and optical clarity from the addition of Aluminum in its chemical composition

septarian nodules have also been studied for their geological significance

We have two long wave UV flashlights available here

Weight: 125 grams

8" Septarian Slab DS2235 atlantisite 8" Double Terminated Colombian Lemurian8" Septarian Slab Approx. Dimensions: 8x7. 75x0. 5 inches Approx. Weight: 816 grams Locality: Mexico Slab stand is included. Septarian, a distinctive sedimentary rock, forms through the combination of calcite, aragonite, and limestone with organic matter and minerals such as iron sulfide. It develops in concretions within sedimentary deposits, often found in regions with ancient seabeds, notably in Utah, USA, Madagascar, and Morocco. These concretions